Home / 102,406.20-153,609.30-94,111.80

Finding the Fourth Proportional to 102,406.20, 153,609.30 and 94,111.80

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Solution

The fourth proportional to 102,406.20, 153,609.30 and 94,111.80 is: 141,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,406.20 : 153,609.30 = 94,111.80 : x
  2. Step 2: Convert to fraction form
    102,406.20/153,609.30 = 94,111.80/x
  3. Step 3: Cross multiply
    102,406.20x = 153,609.30 × 94,111.80
  4. Step 4: Simplify right side
    102,406.20x = 14,456,447,719.74
  5. Step 5: Solve for x
    x = 14,456,447,719.74/102,406.20
  6. Step 6: Final answer
    x = 141,167.70

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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.