Home / 143,587.17-215,380.70-38,403.41

Finding the Fourth Proportional to 143,587.17, 215,380.70 and 38,403.41

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Solution

The fourth proportional to 143,587.17, 215,380.70 and 38,403.41 is: 57,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,587.17 : 215,380.70 = 38,403.41 : x
  2. Step 2: Convert to fraction form
    143,587.17/215,380.70 = 38,403.41/x
  3. Step 3: Cross multiply
    143,587.17x = 215,380.70 × 38,403.41
  4. Step 4: Simplify right side
    143,587.17x = 8,271,352,059.27
  5. Step 5: Solve for x
    x = 8,271,352,059.27/143,587.17
  6. Step 6: Final answer
    x = 57,605.09

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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.