Home / 141,654.80-212,225.88-101,997.20

Finding the Fourth Proportional to 141,654.80, 212,225.88 and 101,997.20

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Solution

The fourth proportional to 141,654.80, 212,225.88 and 101,997.20 is: 152,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,654.80 : 212,225.88 = 101,997.20 : x
  2. Step 2: Convert to fraction form
    141,654.80/212,225.88 = 101,997.20/x
  3. Step 3: Cross multiply
    141,654.80x = 212,225.88 × 101,997.20
  4. Step 4: Simplify right side
    141,654.80x = 21,646,445,527.54
  5. Step 5: Solve for x
    x = 21,646,445,527.54/141,654.80
  6. Step 6: Final answer
    x = 152,811.24

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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.