Home / 98,015.56-135,260.82-54,407.60

Finding the Fourth Proportional to 98,015.56, 135,260.82 and 54,407.60

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Solution

The fourth proportional to 98,015.56, 135,260.82 and 54,407.60 is: 75,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,015.56 : 135,260.82 = 54,407.60 : x
  2. Step 2: Convert to fraction form
    98,015.56/135,260.82 = 54,407.60/x
  3. Step 3: Cross multiply
    98,015.56x = 135,260.82 × 54,407.60
  4. Step 4: Simplify right side
    98,015.56x = 7,359,216,590.23
  5. Step 5: Solve for x
    x = 7,359,216,590.23/98,015.56
  6. Step 6: Final answer
    x = 75,082.13

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1.5x scale

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.