Home / 178,159.78-245,799.45-101,623.90

Finding the Fourth Proportional to 178,159.78, 245,799.45 and 101,623.90

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Solution

The fourth proportional to 178,159.78, 245,799.45 and 101,623.90 is: 140,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,159.78 : 245,799.45 = 101,623.90 : x
  2. Step 2: Convert to fraction form
    178,159.78/245,799.45 = 101,623.90/x
  3. Step 3: Cross multiply
    178,159.78x = 245,799.45 × 101,623.90
  4. Step 4: Simplify right side
    178,159.78x = 24,979,098,726.86
  5. Step 5: Solve for x
    x = 24,979,098,726.86/178,159.78
  6. Step 6: Final answer
    x = 140,206.16

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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.