Home / 131,704.52-181,752.54-74,356.28

Finding the Fourth Proportional to 131,704.52, 181,752.54 and 74,356.28

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Solution

The fourth proportional to 131,704.52, 181,752.54 and 74,356.28 is: 102,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,704.52 : 181,752.54 = 74,356.28 : x
  2. Step 2: Convert to fraction form
    131,704.52/181,752.54 = 74,356.28/x
  3. Step 3: Cross multiply
    131,704.52x = 181,752.54 × 74,356.28
  4. Step 4: Simplify right side
    131,704.52x = 13,514,442,754.95
  5. Step 5: Solve for x
    x = 13,514,442,754.95/131,704.52
  6. Step 6: Final answer
    x = 102,611.84

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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.