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Finding the Fourth Proportional to 137,473.62, 189,256.92 and 123,301.86

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Solution

The fourth proportional to 137,473.62, 189,256.92 and 123,301.86 is: 169,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,473.62 : 189,256.92 = 123,301.86 : x
  2. Step 2: Convert to fraction form
    137,473.62/189,256.92 = 123,301.86/x
  3. Step 3: Cross multiply
    137,473.62x = 189,256.92 × 123,301.86
  4. Step 4: Simplify right side
    137,473.62x = 23,335,730,253.87
  5. Step 5: Solve for x
    x = 23,335,730,253.87/137,473.62
  6. Step 6: Final answer
    x = 169,746.97

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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.