Home / 137,387.18-207,140.27-136,534.25

Finding the Fourth Proportional to 137,387.18, 207,140.27 and 136,534.25

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Solution

The fourth proportional to 137,387.18, 207,140.27 and 136,534.25 is: 205,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,387.18 : 207,140.27 = 136,534.25 : x
  2. Step 2: Convert to fraction form
    137,387.18/207,140.27 = 136,534.25/x
  3. Step 3: Cross multiply
    137,387.18x = 207,140.27 × 136,534.25
  4. Step 4: Simplify right side
    137,387.18x = 28,281,741,409.25
  5. Step 5: Solve for x
    x = 28,281,741,409.25/137,387.18
  6. Step 6: Final answer
    x = 205,854.30

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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.