Home / 134,395.92-185,474-77,044.72

Finding the Fourth Proportional to 134,395.92, 185,474 and 77,044.72

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Solution

The fourth proportional to 134,395.92, 185,474 and 77,044.72 is: 106,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,395.92 : 185,474 = 77,044.72 : x
  2. Step 2: Convert to fraction form
    134,395.92/185,474 = 77,044.72/x
  3. Step 3: Cross multiply
    134,395.92x = 185,474 × 77,044.72
  4. Step 4: Simplify right side
    134,395.92x = 14,289,792,397.28
  5. Step 5: Solve for x
    x = 14,289,792,397.28/134,395.92
  6. Step 6: Final answer
    x = 106,326.09

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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.