Home / 157,269.10-234,763.41-145,561.83

Finding the Fourth Proportional to 157,269.10, 234,763.41 and 145,561.83

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Solution

The fourth proportional to 157,269.10, 234,763.41 and 145,561.83 is: 217,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,269.10 : 234,763.41 = 145,561.83 : x
  2. Step 2: Convert to fraction form
    157,269.10/234,763.41 = 145,561.83/x
  3. Step 3: Cross multiply
    157,269.10x = 234,763.41 × 145,561.83
  4. Step 4: Simplify right side
    157,269.10x = 34,172,591,576.64
  5. Step 5: Solve for x
    x = 34,172,591,576.64/157,269.10
  6. Step 6: Final answer
    x = 217,287.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.