Home / 142,951.25-214,344.84-54,148.12

Finding the Fourth Proportional to 142,951.25, 214,344.84 and 54,148.12

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Solution

The fourth proportional to 142,951.25, 214,344.84 and 54,148.12 is: 81,191.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,951.25 : 214,344.84 = 54,148.12 : x
  2. Step 2: Convert to fraction form
    142,951.25/214,344.84 = 54,148.12/x
  3. Step 3: Cross multiply
    142,951.25x = 214,344.84 × 54,148.12
  4. Step 4: Simplify right side
    142,951.25x = 11,606,369,581.84
  5. Step 5: Solve for x
    x = 11,606,369,581.84/142,951.25
  6. Step 6: Final answer
    x = 81,191.10

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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.