Home / 122,630.38-183,997.85-47,803.20

Finding the Fourth Proportional to 122,630.38, 183,997.85 and 47,803.20

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Solution

The fourth proportional to 122,630.38, 183,997.85 and 47,803.20 is: 71,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,630.38 : 183,997.85 = 47,803.20 : x
  2. Step 2: Convert to fraction form
    122,630.38/183,997.85 = 47,803.20/x
  3. Step 3: Cross multiply
    122,630.38x = 183,997.85 × 47,803.20
  4. Step 4: Simplify right side
    122,630.38x = 8,795,684,864.11
  5. Step 5: Solve for x
    x = 8,795,684,864.11/122,630.38
  6. Step 6: Final answer
    x = 71,725.17

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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.