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Finding the Fourth Proportional to 163,401.70, 245,102.55 and 88,557.70

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Solution

The fourth proportional to 163,401.70, 245,102.55 and 88,557.70 is: 132,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,401.70 : 245,102.55 = 88,557.70 : x
  2. Step 2: Convert to fraction form
    163,401.70/245,102.55 = 88,557.70/x
  3. Step 3: Cross multiply
    163,401.70x = 245,102.55 × 88,557.70
  4. Step 4: Simplify right side
    163,401.70x = 21,705,718,092.14
  5. Step 5: Solve for x
    x = 21,705,718,092.14/163,401.70
  6. Step 6: Final answer
    x = 132,836.55

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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.