Home / 142,724.26-214,078.15-42,882.26

Finding the Fourth Proportional to 142,724.26, 214,078.15 and 42,882.26

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Solution

The fourth proportional to 142,724.26, 214,078.15 and 42,882.26 is: 64,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,724.26 : 214,078.15 = 42,882.26 : x
  2. Step 2: Convert to fraction form
    142,724.26/214,078.15 = 42,882.26/x
  3. Step 3: Cross multiply
    142,724.26x = 214,078.15 × 42,882.26
  4. Step 4: Simplify right side
    142,724.26x = 9,180,154,888.62
  5. Step 5: Solve for x
    x = 9,180,154,888.62/142,724.26
  6. Step 6: Final answer
    x = 64,320.91

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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.