Home / 150,003.60-225,005.40-96,781.20

Finding the Fourth Proportional to 150,003.60, 225,005.40 and 96,781.20

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Solution

The fourth proportional to 150,003.60, 225,005.40 and 96,781.20 is: 145,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.60 : 225,005.40 = 96,781.20 : x
  2. Step 2: Convert to fraction form
    150,003.60/225,005.40 = 96,781.20/x
  3. Step 3: Cross multiply
    150,003.60x = 225,005.40 × 96,781.20
  4. Step 4: Simplify right side
    150,003.60x = 21,776,292,618.48
  5. Step 5: Solve for x
    x = 21,776,292,618.48/150,003.60
  6. Step 6: Final answer
    x = 145,171.80

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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.