Home / 124,819.20-187,228.80-54,835.20

Finding the Fourth Proportional to 124,819.20, 187,228.80 and 54,835.20

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Solution

The fourth proportional to 124,819.20, 187,228.80 and 54,835.20 is: 82,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,819.20 : 187,228.80 = 54,835.20 : x
  2. Step 2: Convert to fraction form
    124,819.20/187,228.80 = 54,835.20/x
  3. Step 3: Cross multiply
    124,819.20x = 187,228.80 × 54,835.20
  4. Step 4: Simplify right side
    124,819.20x = 10,266,728,693.76
  5. Step 5: Solve for x
    x = 10,266,728,693.76/124,819.20
  6. Step 6: Final answer
    x = 82,252.80

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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.