Home / 178,822.20-268,233.30-90,041.40

Finding the Fourth Proportional to 178,822.20, 268,233.30 and 90,041.40

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Solution

The fourth proportional to 178,822.20, 268,233.30 and 90,041.40 is: 135,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,822.20 : 268,233.30 = 90,041.40 : x
  2. Step 2: Convert to fraction form
    178,822.20/268,233.30 = 90,041.40/x
  3. Step 3: Cross multiply
    178,822.20x = 268,233.30 × 90,041.40
  4. Step 4: Simplify right side
    178,822.20x = 24,152,101,858.62
  5. Step 5: Solve for x
    x = 24,152,101,858.62/178,822.20
  6. Step 6: Final answer
    x = 135,062.10

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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.