Home / 143,677.26-215,515.76-38,493.36

Finding the Fourth Proportional to 143,677.26, 215,515.76 and 38,493.36

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Solution

The fourth proportional to 143,677.26, 215,515.76 and 38,493.36 is: 57,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,677.26 : 215,515.76 = 38,493.36 : x
  2. Step 2: Convert to fraction form
    143,677.26/215,515.76 = 38,493.36/x
  3. Step 3: Cross multiply
    143,677.26x = 215,515.76 × 38,493.36
  4. Step 4: Simplify right side
    143,677.26x = 8,295,925,542.89
  5. Step 5: Solve for x
    x = 8,295,925,542.89/143,677.26
  6. Step 6: Final answer
    x = 57,740.00

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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.