Home / 137,387.56-207,140.83-136,534.63

Finding the Fourth Proportional to 137,387.56, 207,140.83 and 136,534.63

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Solution

The fourth proportional to 137,387.56, 207,140.83 and 136,534.63 is: 205,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,387.56 : 207,140.83 = 136,534.63 : x
  2. Step 2: Convert to fraction form
    137,387.56/207,140.83 = 136,534.63/x
  3. Step 3: Cross multiply
    137,387.56x = 207,140.83 × 136,534.63
  4. Step 4: Simplify right side
    137,387.56x = 28,281,895,546.24
  5. Step 5: Solve for x
    x = 28,281,895,546.24/137,387.56
  6. Step 6: Final answer
    x = 205,854.86

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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.