Home / 124,111.80-185,948.10-120,000.60

Finding the Fourth Proportional to 124,111.80, 185,948.10 and 120,000.60

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Solution

The fourth proportional to 124,111.80, 185,948.10 and 120,000.60 is: 179,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,111.80 : 185,948.10 = 120,000.60 : x
  2. Step 2: Convert to fraction form
    124,111.80/185,948.10 = 120,000.60/x
  3. Step 3: Cross multiply
    124,111.80x = 185,948.10 × 120,000.60
  4. Step 4: Simplify right side
    124,111.80x = 22,313,883,568.86
  5. Step 5: Solve for x
    x = 22,313,883,568.86/124,111.80
  6. Step 6: Final answer
    x = 179,788.57

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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.