Home / 156,469.28-234,610.16-49,807.16

Finding the Fourth Proportional to 156,469.28, 234,610.16 and 49,807.16

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Solution

The fourth proportional to 156,469.28, 234,610.16 and 49,807.16 is: 74,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,469.28 : 234,610.16 = 49,807.16 : x
  2. Step 2: Convert to fraction form
    156,469.28/234,610.16 = 49,807.16/x
  3. Step 3: Cross multiply
    156,469.28x = 234,610.16 × 49,807.16
  4. Step 4: Simplify right side
    156,469.28x = 11,685,265,776.75
  5. Step 5: Solve for x
    x = 11,685,265,776.75/156,469.28
  6. Step 6: Final answer
    x = 74,680.89

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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.