Home / 154,959.48-232,551.27-55,120.50

Finding the Fourth Proportional to 154,959.48, 232,551.27 and 55,120.50

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Solution

The fourth proportional to 154,959.48, 232,551.27 and 55,120.50 is: 82,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,959.48 : 232,551.27 = 55,120.50 : x
  2. Step 2: Convert to fraction form
    154,959.48/232,551.27 = 55,120.50/x
  3. Step 3: Cross multiply
    154,959.48x = 232,551.27 × 55,120.50
  4. Step 4: Simplify right side
    154,959.48x = 12,818,342,278.04
  5. Step 5: Solve for x
    x = 12,818,342,278.04/154,959.48
  6. Step 6: Final answer
    x = 82,720.61

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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.