Home / 136,340.55-204,310.35-98,979.30

Finding the Fourth Proportional to 136,340.55, 204,310.35 and 98,979.30

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Solution

The fourth proportional to 136,340.55, 204,310.35 and 98,979.30 is: 148,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340.55 : 204,310.35 = 98,979.30 : x
  2. Step 2: Convert to fraction form
    136,340.55/204,310.35 = 98,979.30/x
  3. Step 3: Cross multiply
    136,340.55x = 204,310.35 × 98,979.30
  4. Step 4: Simplify right side
    136,340.55x = 20,222,495,425.76
  5. Step 5: Solve for x
    x = 20,222,495,425.76/136,340.55
  6. Step 6: Final answer
    x = 148,323.41

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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.