Home / 151,402.80-227,213.55-84,772.20

Finding the Fourth Proportional to 151,402.80, 227,213.55 and 84,772.20

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Solution

The fourth proportional to 151,402.80, 227,213.55 and 84,772.20 is: 127,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,402.80 : 227,213.55 = 84,772.20 : x
  2. Step 2: Convert to fraction form
    151,402.80/227,213.55 = 84,772.20/x
  3. Step 3: Cross multiply
    151,402.80x = 227,213.55 × 84,772.20
  4. Step 4: Simplify right side
    151,402.80x = 19,261,392,503.31
  5. Step 5: Solve for x
    x = 19,261,392,503.31/151,402.80
  6. Step 6: Final answer
    x = 127,219.53

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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.