Home / 142,987.26-214,475.49-43,144.79

Finding the Fourth Proportional to 142,987.26, 214,475.49 and 43,144.79

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Solution

The fourth proportional to 142,987.26, 214,475.49 and 43,144.79 is: 64,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,987.26 : 214,475.49 = 43,144.79 : x
  2. Step 2: Convert to fraction form
    142,987.26/214,475.49 = 43,144.79/x
  3. Step 3: Cross multiply
    142,987.26x = 214,475.49 × 43,144.79
  4. Step 4: Simplify right side
    142,987.26x = 9,253,498,903.82
  5. Step 5: Solve for x
    x = 9,253,498,903.82/142,987.26
  6. Step 6: Final answer
    x = 64,715.55

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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.