Home / 154,977.90-232,612.38-76,148.70

Finding the Fourth Proportional to 154,977.90, 232,612.38 and 76,148.70

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Solution

The fourth proportional to 154,977.90, 232,612.38 and 76,148.70 is: 114,294.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,977.90 : 232,612.38 = 76,148.70 : x
  2. Step 2: Convert to fraction form
    154,977.90/232,612.38 = 76,148.70/x
  3. Step 3: Cross multiply
    154,977.90x = 232,612.38 × 76,148.70
  4. Step 4: Simplify right side
    154,977.90x = 17,713,130,340.91
  5. Step 5: Solve for x
    x = 17,713,130,340.91/154,977.90
  6. Step 6: Final answer
    x = 114,294.56

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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.