Home / 155,296.56-214,025.04-112,781.28

Finding the Fourth Proportional to 155,296.56, 214,025.04 and 112,781.28

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Solution

The fourth proportional to 155,296.56, 214,025.04 and 112,781.28 is: 155,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,296.56 : 214,025.04 = 112,781.28 : x
  2. Step 2: Convert to fraction form
    155,296.56/214,025.04 = 112,781.28/x
  3. Step 3: Cross multiply
    155,296.56x = 214,025.04 × 112,781.28
  4. Step 4: Simplify right side
    155,296.56x = 24,138,017,963.25
  5. Step 5: Solve for x
    x = 24,138,017,963.25/155,296.56
  6. Step 6: Final answer
    x = 155,431.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.