Home / 154,980.90-232,616.88-76,151.70

Finding the Fourth Proportional to 154,980.90, 232,616.88 and 76,151.70

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Solution

The fourth proportional to 154,980.90, 232,616.88 and 76,151.70 is: 114,299.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,980.90 : 232,616.88 = 76,151.70 : x
  2. Step 2: Convert to fraction form
    154,980.90/232,616.88 = 76,151.70/x
  3. Step 3: Cross multiply
    154,980.90x = 232,616.88 × 76,151.70
  4. Step 4: Simplify right side
    154,980.90x = 17,714,170,860.70
  5. Step 5: Solve for x
    x = 17,714,170,860.70/154,980.90
  6. Step 6: Final answer
    x = 114,299.06

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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.