Home / 142,987.38-214,475.68-43,144.91

Finding the Fourth Proportional to 142,987.38, 214,475.68 and 43,144.91

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Solution

The fourth proportional to 142,987.38, 214,475.68 and 43,144.91 is: 64,715.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,987.38 : 214,475.68 = 43,144.91 : x
  2. Step 2: Convert to fraction form
    142,987.38/214,475.68 = 43,144.91/x
  3. Step 3: Cross multiply
    142,987.38x = 214,475.68 × 43,144.91
  4. Step 4: Simplify right side
    142,987.38x = 9,253,533,695.06
  5. Step 5: Solve for x
    x = 9,253,533,695.06/142,987.38
  6. Step 6: Final answer
    x = 64,715.74

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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.