Home / 151,147.47-226,472.09-87,789.74

Finding the Fourth Proportional to 151,147.47, 226,472.09 and 87,789.74

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Solution

The fourth proportional to 151,147.47, 226,472.09 and 87,789.74 is: 131,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,147.47 : 226,472.09 = 87,789.74 : x
  2. Step 2: Convert to fraction form
    151,147.47/226,472.09 = 87,789.74/x
  3. Step 3: Cross multiply
    151,147.47x = 226,472.09 × 87,789.74
  4. Step 4: Simplify right side
    151,147.47x = 19,881,924,327.05
  5. Step 5: Solve for x
    x = 19,881,924,327.05/151,147.47
  6. Step 6: Final answer
    x = 131,539.91

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1.5x scale

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.