Home / 154,995.90-232,639.38-76,166.70

Finding the Fourth Proportional to 154,995.90, 232,639.38 and 76,166.70

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Solution

The fourth proportional to 154,995.90, 232,639.38 and 76,166.70 is: 114,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,995.90 : 232,639.38 = 76,166.70 : x
  2. Step 2: Convert to fraction form
    154,995.90/232,639.38 = 76,166.70/x
  3. Step 3: Cross multiply
    154,995.90x = 232,639.38 × 76,166.70
  4. Step 4: Simplify right side
    154,995.90x = 17,719,373,864.65
  5. Step 5: Solve for x
    x = 17,719,373,864.65/154,995.90
  6. Step 6: Final answer
    x = 114,321.57

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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.