Home / 135,204.39-202,929.10-72,077.45

Finding the Fourth Proportional to 135,204.39, 202,929.10 and 72,077.45

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Solution

The fourth proportional to 135,204.39, 202,929.10 and 72,077.45 is: 108,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,204.39 : 202,929.10 = 72,077.45 : x
  2. Step 2: Convert to fraction form
    135,204.39/202,929.10 = 72,077.45/x
  3. Step 3: Cross multiply
    135,204.39x = 202,929.10 × 72,077.45
  4. Step 4: Simplify right side
    135,204.39x = 14,626,610,863.96
  5. Step 5: Solve for x
    x = 14,626,610,863.96/135,204.39
  6. Step 6: Final answer
    x = 108,181.48

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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.