Home / 156,294.42-234,127.62-71,936.70

Finding the Fourth Proportional to 156,294.42, 234,127.62 and 71,936.70

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Solution

The fourth proportional to 156,294.42, 234,127.62 and 71,936.70 is: 107,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,294.42 : 234,127.62 = 71,936.70 : x
  2. Step 2: Convert to fraction form
    156,294.42/234,127.62 = 71,936.70/x
  3. Step 3: Cross multiply
    156,294.42x = 234,127.62 × 71,936.70
  4. Step 4: Simplify right side
    156,294.42x = 16,842,368,361.65
  5. Step 5: Solve for x
    x = 16,842,368,361.65/156,294.42
  6. Step 6: Final answer
    x = 107,760.52

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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.