Home / 145,432.26-218,017.17-101,079.90

Finding the Fourth Proportional to 145,432.26, 218,017.17 and 101,079.90

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Solution

The fourth proportional to 145,432.26, 218,017.17 and 101,079.90 is: 151,528.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,432.26 : 218,017.17 = 101,079.90 : x
  2. Step 2: Convert to fraction form
    145,432.26/218,017.17 = 101,079.90/x
  3. Step 3: Cross multiply
    145,432.26x = 218,017.17 × 101,079.90
  4. Step 4: Simplify right side
    145,432.26x = 22,037,153,741.88
  5. Step 5: Solve for x
    x = 22,037,153,741.88/145,432.26
  6. Step 6: Final answer
    x = 151,528.65

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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.