Home / 150,001.20-225,023.40-79,885.80

Finding the Fourth Proportional to 150,001.20, 225,023.40 and 79,885.80

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Solution

The fourth proportional to 150,001.20, 225,023.40 and 79,885.80 is: 119,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.20 : 225,023.40 = 79,885.80 : x
  2. Step 2: Convert to fraction form
    150,001.20/225,023.40 = 79,885.80/x
  3. Step 3: Cross multiply
    150,001.20x = 225,023.40 × 79,885.80
  4. Step 4: Simplify right side
    150,001.20x = 17,976,174,327.72
  5. Step 5: Solve for x
    x = 17,976,174,327.72/150,001.20
  6. Step 6: Final answer
    x = 119,840.20

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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.