Home / 137,500.47-189,395.71-97,144.18

Finding the Fourth Proportional to 137,500.47, 189,395.71 and 97,144.18

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Solution

The fourth proportional to 137,500.47, 189,395.71 and 97,144.18 is: 133,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,500.47 : 189,395.71 = 97,144.18 : x
  2. Step 2: Convert to fraction form
    137,500.47/189,395.71 = 97,144.18/x
  3. Step 3: Cross multiply
    137,500.47x = 189,395.71 × 97,144.18
  4. Step 4: Simplify right side
    137,500.47x = 18,398,690,227.12
  5. Step 5: Solve for x
    x = 18,398,690,227.12/137,500.47
  6. Step 6: Final answer
    x = 133,808.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.