Home / 143,553.29-215,247.88-43,683.95

Finding the Fourth Proportional to 143,553.29, 215,247.88 and 43,683.95

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Solution

The fourth proportional to 143,553.29, 215,247.88 and 43,683.95 is: 65,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,553.29 : 215,247.88 = 43,683.95 : x
  2. Step 2: Convert to fraction form
    143,553.29/215,247.88 = 43,683.95/x
  3. Step 3: Cross multiply
    143,553.29x = 215,247.88 × 43,683.95
  4. Step 4: Simplify right side
    143,553.29x = 9,402,877,627.53
  5. Step 5: Solve for x
    x = 9,402,877,627.53/143,553.29
  6. Step 6: Final answer
    x = 65,500.96

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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.