Home / 159,589.16-239,418.78-47,278.17

Finding the Fourth Proportional to 159,589.16, 239,418.78 and 47,278.17

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Solution

The fourth proportional to 159,589.16, 239,418.78 and 47,278.17 is: 70,927.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,589.16 : 239,418.78 = 47,278.17 : x
  2. Step 2: Convert to fraction form
    159,589.16/239,418.78 = 47,278.17/x
  3. Step 3: Cross multiply
    159,589.16x = 239,418.78 × 47,278.17
  4. Step 4: Simplify right side
    159,589.16x = 11,319,281,604.74
  5. Step 5: Solve for x
    x = 11,319,281,604.74/159,589.16
  6. Step 6: Final answer
    x = 70,927.64

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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.