Home / 257,125.57-385,937.13-124,099.47

Finding the Fourth Proportional to 257,125.57, 385,937.13 and 124,099.47

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Solution

The fourth proportional to 257,125.57, 385,937.13 and 124,099.47 is: 186,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,125.57 : 385,937.13 = 124,099.47 : x
  2. Step 2: Convert to fraction form
    257,125.57/385,937.13 = 124,099.47/x
  3. Step 3: Cross multiply
    257,125.57x = 385,937.13 × 124,099.47
  4. Step 4: Simplify right side
    257,125.57x = 47,894,593,544.58
  5. Step 5: Solve for x
    x = 47,894,593,544.58/257,125.57
  6. Step 6: Final answer
    x = 186,269.28

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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.