Home / 261,244.59-391,901.82-103,436.14

Finding the Fourth Proportional to 261,244.59, 391,901.82 and 103,436.14

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Solution

The fourth proportional to 261,244.59, 391,901.82 and 103,436.14 is: 155,168.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,244.59 : 391,901.82 = 103,436.14 : x
  2. Step 2: Convert to fraction form
    261,244.59/391,901.82 = 103,436.14/x
  3. Step 3: Cross multiply
    261,244.59x = 391,901.82 × 103,436.14
  4. Step 4: Simplify right side
    261,244.59x = 40,536,812,203.59
  5. Step 5: Solve for x
    x = 40,536,812,203.59/261,244.59
  6. Step 6: Final answer
    x = 155,168.04

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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.