Home / 159,815.38-239,752.24-79,895.12

Finding the Fourth Proportional to 159,815.38, 239,752.24 and 79,895.12

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Solution

The fourth proportional to 159,815.38, 239,752.24 and 79,895.12 is: 119,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.38 : 239,752.24 = 79,895.12 : x
  2. Step 2: Convert to fraction form
    159,815.38/239,752.24 = 79,895.12/x
  3. Step 3: Cross multiply
    159,815.38x = 239,752.24 × 79,895.12
  4. Step 4: Simplify right side
    159,815.38x = 19,155,033,985.07
  5. Step 5: Solve for x
    x = 19,155,033,985.07/159,815.38
  6. Step 6: Final answer
    x = 119,857.26

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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.