Home / 142,853.76-214,262.40-37,680.64

Finding the Fourth Proportional to 142,853.76, 214,262.40 and 37,680.64

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Solution

The fourth proportional to 142,853.76, 214,262.40 and 37,680.64 is: 56,516.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,853.76 : 214,262.40 = 37,680.64 : x
  2. Step 2: Convert to fraction form
    142,853.76/214,262.40 = 37,680.64/x
  3. Step 3: Cross multiply
    142,853.76x = 214,262.40 × 37,680.64
  4. Step 4: Simplify right side
    142,853.76x = 8,073,544,359.94
  5. Step 5: Solve for x
    x = 8,073,544,359.94/142,853.76
  6. Step 6: Final answer
    x = 56,516.15

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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.