Home / 143,947.20-215,920.80-44,106.60

Finding the Fourth Proportional to 143,947.20, 215,920.80 and 44,106.60

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Solution

The fourth proportional to 143,947.20, 215,920.80 and 44,106.60 is: 66,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.20 : 215,920.80 = 44,106.60 : x
  2. Step 2: Convert to fraction form
    143,947.20/215,920.80 = 44,106.60/x
  3. Step 3: Cross multiply
    143,947.20x = 215,920.80 × 44,106.60
  4. Step 4: Simplify right side
    143,947.20x = 9,523,532,357.28
  5. Step 5: Solve for x
    x = 9,523,532,357.28/143,947.20
  6. Step 6: Final answer
    x = 66,159.90

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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.