Home / 139,759.20-209,574.27-44,971.74

Finding the Fourth Proportional to 139,759.20, 209,574.27 and 44,971.74

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Solution

The fourth proportional to 139,759.20, 209,574.27 and 44,971.74 is: 67,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,759.20 : 209,574.27 = 44,971.74 : x
  2. Step 2: Convert to fraction form
    139,759.20/209,574.27 = 44,971.74/x
  3. Step 3: Cross multiply
    139,759.20x = 209,574.27 × 44,971.74
  4. Step 4: Simplify right side
    139,759.20x = 9,424,919,581.13
  5. Step 5: Solve for x
    x = 9,424,919,581.13/139,759.20
  6. Step 6: Final answer
    x = 67,436.85

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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.