Home / 134,612.32-185,769.20-77,262.08

Finding the Fourth Proportional to 134,612.32, 185,769.20 and 77,262.08

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Solution

The fourth proportional to 134,612.32, 185,769.20 and 77,262.08 is: 106,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,612.32 : 185,769.20 = 77,262.08 : x
  2. Step 2: Convert to fraction form
    134,612.32/185,769.20 = 77,262.08/x
  3. Step 3: Cross multiply
    134,612.32x = 185,769.20 × 77,262.08
  4. Step 4: Simplify right side
    134,612.32x = 14,352,914,791.94
  5. Step 5: Solve for x
    x = 14,352,914,791.94/134,612.32
  6. Step 6: Final answer
    x = 106,624.08

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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.