Home / 142,987.75-214,476.24-43,145.29

Finding the Fourth Proportional to 142,987.75, 214,476.24 and 43,145.29

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Solution

The fourth proportional to 142,987.75, 214,476.24 and 43,145.29 is: 64,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,987.75 : 214,476.24 = 43,145.29 : x
  2. Step 2: Convert to fraction form
    142,987.75/214,476.24 = 43,145.29/x
  3. Step 3: Cross multiply
    142,987.75x = 214,476.24 × 43,145.29
  4. Step 4: Simplify right side
    142,987.75x = 9,253,639,572.91
  5. Step 5: Solve for x
    x = 9,253,639,572.91/142,987.75
  6. Step 6: Final answer
    x = 64,716.31

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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.