Home / 142,853.28-214,280.28-43,013.76

Finding the Fourth Proportional to 142,853.28, 214,280.28 and 43,013.76

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Solution

The fourth proportional to 142,853.28, 214,280.28 and 43,013.76 is: 64,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,853.28 : 214,280.28 = 43,013.76 : x
  2. Step 2: Convert to fraction form
    142,853.28/214,280.28 = 43,013.76/x
  3. Step 3: Cross multiply
    142,853.28x = 214,280.28 × 43,013.76
  4. Step 4: Simplify right side
    142,853.28x = 9,217,000,536.65
  5. Step 5: Solve for x
    x = 9,217,000,536.65/142,853.28
  6. Step 6: Final answer
    x = 64,520.75

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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.