Home / 215,943.60-323,769.60-114,758.40

Finding the Fourth Proportional to 215,943.60, 323,769.60 and 114,758.40

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Solution

The fourth proportional to 215,943.60, 323,769.60 and 114,758.40 is: 172,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,943.60 : 323,769.60 = 114,758.40 : x
  2. Step 2: Convert to fraction form
    215,943.60/323,769.60 = 114,758.40/x
  3. Step 3: Cross multiply
    215,943.60x = 323,769.60 × 114,758.40
  4. Step 4: Simplify right side
    215,943.60x = 37,155,281,264.64
  5. Step 5: Solve for x
    x = 37,155,281,264.64/215,943.60
  6. Step 6: Final answer
    x = 172,060.12

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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.