Home / 159,868.56-239,678.64-103,589.76

Finding the Fourth Proportional to 159,868.56, 239,678.64 and 103,589.76

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Solution

The fourth proportional to 159,868.56, 239,678.64 and 103,589.76 is: 155,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,868.56 : 239,678.64 = 103,589.76 : x
  2. Step 2: Convert to fraction form
    159,868.56/239,678.64 = 103,589.76/x
  3. Step 3: Cross multiply
    159,868.56x = 239,678.64 × 103,589.76
  4. Step 4: Simplify right side
    159,868.56x = 24,828,252,794.73
  5. Step 5: Solve for x
    x = 24,828,252,794.73/159,868.56
  6. Step 6: Final answer
    x = 155,304.16

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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.