Home / 151,536.80-227,283.96-80,428.16

Finding the Fourth Proportional to 151,536.80, 227,283.96 and 80,428.16

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Solution

The fourth proportional to 151,536.80, 227,283.96 and 80,428.16 is: 120,630.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,536.80 : 227,283.96 = 80,428.16 : x
  2. Step 2: Convert to fraction form
    151,536.80/227,283.96 = 80,428.16/x
  3. Step 3: Cross multiply
    151,536.80x = 227,283.96 × 80,428.16
  4. Step 4: Simplify right side
    151,536.80x = 18,280,030,700.31
  5. Step 5: Solve for x
    x = 18,280,030,700.31/151,536.80
  6. Step 6: Final answer
    x = 120,630.97

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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.