Home / 138,932.16-208,398.24-92,276.16

Finding the Fourth Proportional to 138,932.16, 208,398.24 and 92,276.16

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Solution

The fourth proportional to 138,932.16, 208,398.24 and 92,276.16 is: 138,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,932.16 : 208,398.24 = 92,276.16 : x
  2. Step 2: Convert to fraction form
    138,932.16/208,398.24 = 92,276.16/x
  3. Step 3: Cross multiply
    138,932.16x = 208,398.24 × 92,276.16
  4. Step 4: Simplify right side
    138,932.16x = 19,230,189,337.96
  5. Step 5: Solve for x
    x = 19,230,189,337.96/138,932.16
  6. Step 6: Final answer
    x = 138,414.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.