Home / 137,387.06-207,140.08-136,534.13

Finding the Fourth Proportional to 137,387.06, 207,140.08 and 136,534.13

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Solution

The fourth proportional to 137,387.06, 207,140.08 and 136,534.13 is: 205,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,387.06 : 207,140.08 = 136,534.13 : x
  2. Step 2: Convert to fraction form
    137,387.06/207,140.08 = 136,534.13/x
  3. Step 3: Cross multiply
    137,387.06x = 207,140.08 × 136,534.13
  4. Step 4: Simplify right side
    137,387.06x = 28,281,689,233.89
  5. Step 5: Solve for x
    x = 28,281,689,233.89/137,387.06
  6. Step 6: Final answer
    x = 205,854.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.