Home / 135,981.76-203,860.32-60,026.20

Finding the Fourth Proportional to 135,981.76, 203,860.32 and 60,026.20

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Solution

The fourth proportional to 135,981.76, 203,860.32 and 60,026.20 is: 89,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,981.76 : 203,860.32 = 60,026.20 : x
  2. Step 2: Convert to fraction form
    135,981.76/203,860.32 = 60,026.20/x
  3. Step 3: Cross multiply
    135,981.76x = 203,860.32 × 60,026.20
  4. Step 4: Simplify right side
    135,981.76x = 12,236,960,340.38
  5. Step 5: Solve for x
    x = 12,236,960,340.38/135,981.76
  6. Step 6: Final answer
    x = 89,989.72

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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.