Home / 143,427.20-215,199.66-63,422.96

Finding the Fourth Proportional to 143,427.20, 215,199.66 and 63,422.96

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Solution

The fourth proportional to 143,427.20, 215,199.66 and 63,422.96 is: 95,160.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,427.20 : 215,199.66 = 63,422.96 : x
  2. Step 2: Convert to fraction form
    143,427.20/215,199.66 = 63,422.96/x
  3. Step 3: Cross multiply
    143,427.20x = 215,199.66 × 63,422.96
  4. Step 4: Simplify right side
    143,427.20x = 13,648,599,428.19
  5. Step 5: Solve for x
    x = 13,648,599,428.19/143,427.20
  6. Step 6: Final answer
    x = 95,160.47

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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.