Home / 95,500.81-143,202.01-42,865.19

Finding the Fourth Proportional to 95,500.81, 143,202.01 and 42,865.19

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Solution

The fourth proportional to 95,500.81, 143,202.01 and 42,865.19 is: 64,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,500.81 : 143,202.01 = 42,865.19 : x
  2. Step 2: Convert to fraction form
    95,500.81/143,202.01 = 42,865.19/x
  3. Step 3: Cross multiply
    95,500.81x = 143,202.01 × 42,865.19
  4. Step 4: Simplify right side
    95,500.81x = 6,138,381,367.03
  5. Step 5: Solve for x
    x = 6,138,381,367.03/95,500.81
  6. Step 6: Final answer
    x = 64,275.70

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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.