Home / 138,913.52-191,700.42-75,252.92

Finding the Fourth Proportional to 138,913.52, 191,700.42 and 75,252.92

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Solution

The fourth proportional to 138,913.52, 191,700.42 and 75,252.92 is: 103,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,913.52 : 191,700.42 = 75,252.92 : x
  2. Step 2: Convert to fraction form
    138,913.52/191,700.42 = 75,252.92/x
  3. Step 3: Cross multiply
    138,913.52x = 191,700.42 × 75,252.92
  4. Step 4: Simplify right side
    138,913.52x = 14,426,016,370.23
  5. Step 5: Solve for x
    x = 14,426,016,370.23/138,913.52
  6. Step 6: Final answer
    x = 103,848.90

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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.