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Finding the Fourth Proportional to 135,528.60, 203,325.30 and 65,350.20

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Solution

The fourth proportional to 135,528.60, 203,325.30 and 65,350.20 is: 98,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,528.60 : 203,325.30 = 65,350.20 : x
  2. Step 2: Convert to fraction form
    135,528.60/203,325.30 = 65,350.20/x
  3. Step 3: Cross multiply
    135,528.60x = 203,325.30 × 65,350.20
  4. Step 4: Simplify right side
    135,528.60x = 13,287,349,020.06
  5. Step 5: Solve for x
    x = 13,287,349,020.06/135,528.60
  6. Step 6: Final answer
    x = 98,040.92

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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.