Home / 218,487.24-301,541.10-123,012.60

Finding the Fourth Proportional to 218,487.24, 301,541.10 and 123,012.60

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Solution

The fourth proportional to 218,487.24, 301,541.10 and 123,012.60 is: 169,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,487.24 : 301,541.10 = 123,012.60 : x
  2. Step 2: Convert to fraction form
    218,487.24/301,541.10 = 123,012.60/x
  3. Step 3: Cross multiply
    218,487.24x = 301,541.10 × 123,012.60
  4. Step 4: Simplify right side
    218,487.24x = 37,093,354,717.86
  5. Step 5: Solve for x
    x = 37,093,354,717.86/218,487.24
  6. Step 6: Final answer
    x = 169,773.55

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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.