Home / 134,051.92-185,008.06-77,463.29

Finding the Fourth Proportional to 134,051.92, 185,008.06 and 77,463.29

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Solution

The fourth proportional to 134,051.92, 185,008.06 and 77,463.29 is: 106,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,051.92 : 185,008.06 = 77,463.29 : x
  2. Step 2: Convert to fraction form
    134,051.92/185,008.06 = 77,463.29/x
  3. Step 3: Cross multiply
    134,051.92x = 185,008.06 × 77,463.29
  4. Step 4: Simplify right side
    134,051.92x = 14,331,332,616.80
  5. Step 5: Solve for x
    x = 14,331,332,616.80/134,051.92
  6. Step 6: Final answer
    x = 106,908.82

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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.