Home / 134,663.39-185,833.15-74,239.65

Finding the Fourth Proportional to 134,663.39, 185,833.15 and 74,239.65

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Solution

The fourth proportional to 134,663.39, 185,833.15 and 74,239.65 is: 102,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,663.39 : 185,833.15 = 74,239.65 : x
  2. Step 2: Convert to fraction form
    134,663.39/185,833.15 = 74,239.65/x
  3. Step 3: Cross multiply
    134,663.39x = 185,833.15 × 74,239.65
  4. Step 4: Simplify right side
    134,663.39x = 13,796,187,643.20
  5. Step 5: Solve for x
    x = 13,796,187,643.20/134,663.39
  6. Step 6: Final answer
    x = 102,449.43

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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.