Home / 154,318.18-231,475.62-117,106.78

Finding the Fourth Proportional to 154,318.18, 231,475.62 and 117,106.78

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Solution

The fourth proportional to 154,318.18, 231,475.62 and 117,106.78 is: 175,658.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,318.18 : 231,475.62 = 117,106.78 : x
  2. Step 2: Convert to fraction form
    154,318.18/231,475.62 = 117,106.78/x
  3. Step 3: Cross multiply
    154,318.18x = 231,475.62 × 117,106.78
  4. Step 4: Simplify right side
    154,318.18x = 27,107,364,506.70
  5. Step 5: Solve for x
    x = 27,107,364,506.70/154,318.18
  6. Step 6: Final answer
    x = 175,658.92

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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.