Home / 90,440.20-135,526.65-65,532.70

Finding the Fourth Proportional to 90,440.20, 135,526.65 and 65,532.70

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Solution

The fourth proportional to 90,440.20, 135,526.65 and 65,532.70 is: 98,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.20 : 135,526.65 = 65,532.70 : x
  2. Step 2: Convert to fraction form
    90,440.20/135,526.65 = 65,532.70/x
  3. Step 3: Cross multiply
    90,440.20x = 135,526.65 × 65,532.70
  4. Step 4: Simplify right side
    90,440.20x = 8,881,427,296.46
  5. Step 5: Solve for x
    x = 8,881,427,296.46/90,440.20
  6. Step 6: Final answer
    x = 98,202.21

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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.