Home / 155,276.10-232,963.38-55,434.11

Finding the Fourth Proportional to 155,276.10, 232,963.38 and 55,434.11

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Solution

The fourth proportional to 155,276.10, 232,963.38 and 55,434.11 is: 83,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,276.10 : 232,963.38 = 55,434.11 : x
  2. Step 2: Convert to fraction form
    155,276.10/232,963.38 = 55,434.11/x
  3. Step 3: Cross multiply
    155,276.10x = 232,963.38 × 55,434.11
  4. Step 4: Simplify right side
    155,276.10x = 12,914,116,468.07
  5. Step 5: Solve for x
    x = 12,914,116,468.07/155,276.10
  6. Step 6: Final answer
    x = 83,168.73

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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.