Home / 102,307.65-153,472.07-39,127.38

Finding the Fourth Proportional to 102,307.65, 153,472.07 and 39,127.38

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Solution

The fourth proportional to 102,307.65, 153,472.07 and 39,127.38 is: 58,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,307.65 : 153,472.07 = 39,127.38 : x
  2. Step 2: Convert to fraction form
    102,307.65/153,472.07 = 39,127.38/x
  3. Step 3: Cross multiply
    102,307.65x = 153,472.07 × 39,127.38
  4. Step 4: Simplify right side
    102,307.65x = 6,004,960,002.28
  5. Step 5: Solve for x
    x = 6,004,960,002.28/102,307.65
  6. Step 6: Final answer
    x = 58,695.12

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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.