Home / 98,723.20-147,998.40-88,225.60

Finding the Fourth Proportional to 98,723.20, 147,998.40 and 88,225.60

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Solution

The fourth proportional to 98,723.20, 147,998.40 and 88,225.60 is: 132,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.20 : 147,998.40 = 88,225.60 : x
  2. Step 2: Convert to fraction form
    98,723.20/147,998.40 = 88,225.60/x
  3. Step 3: Cross multiply
    98,723.20x = 147,998.40 × 88,225.60
  4. Step 4: Simplify right side
    98,723.20x = 13,057,247,639.04
  5. Step 5: Solve for x
    x = 13,057,247,639.04/98,723.20
  6. Step 6: Final answer
    x = 132,261.19

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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.