Home / 147,726.52-221,589.78-68,895.88

Finding the Fourth Proportional to 147,726.52, 221,589.78 and 68,895.88

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Solution

The fourth proportional to 147,726.52, 221,589.78 and 68,895.88 is: 103,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,726.52 : 221,589.78 = 68,895.88 : x
  2. Step 2: Convert to fraction form
    147,726.52/221,589.78 = 68,895.88/x
  3. Step 3: Cross multiply
    147,726.52x = 221,589.78 × 68,895.88
  4. Step 4: Simplify right side
    147,726.52x = 15,266,622,892.11
  5. Step 5: Solve for x
    x = 15,266,622,892.11/147,726.52
  6. Step 6: Final answer
    x = 103,343.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.