Home / 124,204.86-186,310.35-45,319.07

Finding the Fourth Proportional to 124,204.86, 186,310.35 and 45,319.07

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Solution

The fourth proportional to 124,204.86, 186,310.35 and 45,319.07 is: 67,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,204.86 : 186,310.35 = 45,319.07 : x
  2. Step 2: Convert to fraction form
    124,204.86/186,310.35 = 45,319.07/x
  3. Step 3: Cross multiply
    124,204.86x = 186,310.35 × 45,319.07
  4. Step 4: Simplify right side
    124,204.86x = 8,443,412,259.15
  5. Step 5: Solve for x
    x = 8,443,412,259.15/124,204.86
  6. Step 6: Final answer
    x = 67,979.73

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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.