Home / 138,484.08-207,643-63,510.28

Finding the Fourth Proportional to 138,484.08, 207,643 and 63,510.28

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Solution

The fourth proportional to 138,484.08, 207,643 and 63,510.28 is: 95,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,484.08 : 207,643 = 63,510.28 : x
  2. Step 2: Convert to fraction form
    138,484.08/207,643 = 63,510.28/x
  3. Step 3: Cross multiply
    138,484.08x = 207,643 × 63,510.28
  4. Step 4: Simplify right side
    138,484.08x = 13,187,465,070.04
  5. Step 5: Solve for x
    x = 13,187,465,070.04/138,484.08
  6. Step 6: Final answer
    x = 95,227.30

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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.