Home / 155,264.72-232,946.33-55,422.70

Finding the Fourth Proportional to 155,264.72, 232,946.33 and 55,422.70

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Solution

The fourth proportional to 155,264.72, 232,946.33 and 55,422.70 is: 83,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,264.72 : 232,946.33 = 55,422.70 : x
  2. Step 2: Convert to fraction form
    155,264.72/232,946.33 = 55,422.70/x
  3. Step 3: Cross multiply
    155,264.72x = 232,946.33 × 55,422.70
  4. Step 4: Simplify right side
    155,264.72x = 12,910,513,704.21
  5. Step 5: Solve for x
    x = 12,910,513,704.21/155,264.72
  6. Step 6: Final answer
    x = 83,151.63

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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.