Home / 135,474.72-203,343.28-65,403.24

Finding the Fourth Proportional to 135,474.72, 203,343.28 and 65,403.24

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Solution

The fourth proportional to 135,474.72, 203,343.28 and 65,403.24 is: 98,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,474.72 : 203,343.28 = 65,403.24 : x
  2. Step 2: Convert to fraction form
    135,474.72/203,343.28 = 65,403.24/x
  3. Step 3: Cross multiply
    135,474.72x = 203,343.28 × 65,403.24
  4. Step 4: Simplify right side
    135,474.72x = 13,299,309,344.23
  5. Step 5: Solve for x
    x = 13,299,309,344.23/135,474.72
  6. Step 6: Final answer
    x = 98,168.20

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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.