Home / 143,132.08-214,826.28-105,229.12

Finding the Fourth Proportional to 143,132.08, 214,826.28 and 105,229.12

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Solution

The fourth proportional to 143,132.08, 214,826.28 and 105,229.12 is: 157,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.08 : 214,826.28 = 105,229.12 : x
  2. Step 2: Convert to fraction form
    143,132.08/214,826.28 = 105,229.12/x
  3. Step 3: Cross multiply
    143,132.08x = 214,826.28 × 105,229.12
  4. Step 4: Simplify right side
    143,132.08x = 22,605,980,397.27
  5. Step 5: Solve for x
    x = 22,605,980,397.27/143,132.08
  6. Step 6: Final answer
    x = 157,937.90

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1.5x scale

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.