Home / 159,541.56-239,312.08-74,105.69

Finding the Fourth Proportional to 159,541.56, 239,312.08 and 74,105.69

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Solution

The fourth proportional to 159,541.56, 239,312.08 and 74,105.69 is: 111,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,541.56 : 239,312.08 = 74,105.69 : x
  2. Step 2: Convert to fraction form
    159,541.56/239,312.08 = 74,105.69/x
  3. Step 3: Cross multiply
    159,541.56x = 239,312.08 × 74,105.69
  4. Step 4: Simplify right side
    159,541.56x = 17,734,387,226.75
  5. Step 5: Solve for x
    x = 17,734,387,226.75/159,541.56
  6. Step 6: Final answer
    x = 111,158.42

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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.