Home / 136,454.10-204,431.76-98,921.13

Finding the Fourth Proportional to 136,454.10, 204,431.76 and 98,921.13

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Solution

The fourth proportional to 136,454.10, 204,431.76 and 98,921.13 is: 148,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,454.10 : 204,431.76 = 98,921.13 : x
  2. Step 2: Convert to fraction form
    136,454.10/204,431.76 = 98,921.13/x
  3. Step 3: Cross multiply
    136,454.10x = 204,431.76 × 98,921.13
  4. Step 4: Simplify right side
    136,454.10x = 20,222,620,707.09
  5. Step 5: Solve for x
    x = 20,222,620,707.09/136,454.10
  6. Step 6: Final answer
    x = 148,200.90

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1.5x scale

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.