Home / 155,288.52-232,875.18-55,422

Finding the Fourth Proportional to 155,288.52, 232,875.18 and 55,422

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Solution

The fourth proportional to 155,288.52, 232,875.18 and 55,422 is: 83,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,288.52 : 232,875.18 = 55,422 : x
  2. Step 2: Convert to fraction form
    155,288.52/232,875.18 = 55,422/x
  3. Step 3: Cross multiply
    155,288.52x = 232,875.18 × 55,422
  4. Step 4: Simplify right side
    155,288.52x = 12,906,408,225.96
  5. Step 5: Solve for x
    x = 12,906,408,225.96/155,288.52
  6. Step 6: Final answer
    x = 83,112.44

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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.