Home / 134,619.32-185,775.92-74,192.13

Finding the Fourth Proportional to 134,619.32, 185,775.92 and 74,192.13

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Solution

The fourth proportional to 134,619.32, 185,775.92 and 74,192.13 is: 102,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,619.32 : 185,775.92 = 74,192.13 : x
  2. Step 2: Convert to fraction form
    134,619.32/185,775.92 = 74,192.13/x
  3. Step 3: Cross multiply
    134,619.32x = 185,775.92 × 74,192.13
  4. Step 4: Simplify right side
    134,619.32x = 13,783,110,836.55
  5. Step 5: Solve for x
    x = 13,783,110,836.55/134,619.32
  6. Step 6: Final answer
    x = 102,385.83

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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.