Home / 135,527.40-203,291.10-88,288.20

Finding the Fourth Proportional to 135,527.40, 203,291.10 and 88,288.20

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Solution

The fourth proportional to 135,527.40, 203,291.10 and 88,288.20 is: 132,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,527.40 : 203,291.10 = 88,288.20 : x
  2. Step 2: Convert to fraction form
    135,527.40/203,291.10 = 88,288.20/x
  3. Step 3: Cross multiply
    135,527.40x = 203,291.10 × 88,288.20
  4. Step 4: Simplify right side
    135,527.40x = 17,948,205,295.02
  5. Step 5: Solve for x
    x = 17,948,205,295.02/135,527.40
  6. Step 6: Final answer
    x = 132,432.30

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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.