Home / 178,981.20-246,995.28-98,406

Finding the Fourth Proportional to 178,981.20, 246,995.28 and 98,406

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Solution

The fourth proportional to 178,981.20, 246,995.28 and 98,406 is: 135,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,981.20 : 246,995.28 = 98,406 : x
  2. Step 2: Convert to fraction form
    178,981.20/246,995.28 = 98,406/x
  3. Step 3: Cross multiply
    178,981.20x = 246,995.28 × 98,406
  4. Step 4: Simplify right side
    178,981.20x = 24,305,817,523.68
  5. Step 5: Solve for x
    x = 24,305,817,523.68/178,981.20
  6. Step 6: Final answer
    x = 135,800.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.