Home / 135,024.32-202,663.61-68,512.19

Finding the Fourth Proportional to 135,024.32, 202,663.61 and 68,512.19

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Solution

The fourth proportional to 135,024.32, 202,663.61 and 68,512.19 is: 102,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.32 : 202,663.61 = 68,512.19 : x
  2. Step 2: Convert to fraction form
    135,024.32/202,663.61 = 68,512.19/x
  3. Step 3: Cross multiply
    135,024.32x = 202,663.61 × 68,512.19
  4. Step 4: Simplify right side
    135,024.32x = 13,884,926,655.45
  5. Step 5: Solve for x
    x = 13,884,926,655.45/135,024.32
  6. Step 6: Final answer
    x = 102,832.78

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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.