Home / 143,947.20-215,901.90-44,117.40

Finding the Fourth Proportional to 143,947.20, 215,901.90 and 44,117.40

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Solution

The fourth proportional to 143,947.20, 215,901.90 and 44,117.40 is: 66,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.20 : 215,901.90 = 44,117.40 : x
  2. Step 2: Convert to fraction form
    143,947.20/215,901.90 = 44,117.40/x
  3. Step 3: Cross multiply
    143,947.20x = 215,901.90 × 44,117.40
  4. Step 4: Simplify right side
    143,947.20x = 9,525,030,483.06
  5. Step 5: Solve for x
    x = 9,525,030,483.06/143,947.20
  6. Step 6: Final answer
    x = 66,170.31

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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.