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Finding the Fourth Proportional to 113,592.98, 170,389.45 and 30,486.98

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Solution

The fourth proportional to 113,592.98, 170,389.45 and 30,486.98 is: 45,730.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,592.98 : 170,389.45 = 30,486.98 : x
  2. Step 2: Convert to fraction form
    113,592.98/170,389.45 = 30,486.98/x
  3. Step 3: Cross multiply
    113,592.98x = 170,389.45 × 30,486.98
  4. Step 4: Simplify right side
    113,592.98x = 5,194,660,218.44
  5. Step 5: Solve for x
    x = 5,194,660,218.44/113,592.98
  6. Step 6: Final answer
    x = 45,730.47

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.