Home / 151,985.20-227,990.76-39,680.32

Finding the Fourth Proportional to 151,985.20, 227,990.76 and 39,680.32

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Solution

The fourth proportional to 151,985.20, 227,990.76 and 39,680.32 is: 59,523.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,985.20 : 227,990.76 = 39,680.32 : x
  2. Step 2: Convert to fraction form
    151,985.20/227,990.76 = 39,680.32/x
  3. Step 3: Cross multiply
    151,985.20x = 227,990.76 × 39,680.32
  4. Step 4: Simplify right side
    151,985.20x = 9,046,746,313.84
  5. Step 5: Solve for x
    x = 9,046,746,313.84/151,985.20
  6. Step 6: Final answer
    x = 59,523.86

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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.