Home / 124,143.80-171,405.68-96,950.57

Finding the Fourth Proportional to 124,143.80, 171,405.68 and 96,950.57

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Solution

The fourth proportional to 124,143.80, 171,405.68 and 96,950.57 is: 133,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.80 : 171,405.68 = 96,950.57 : x
  2. Step 2: Convert to fraction form
    124,143.80/171,405.68 = 96,950.57/x
  3. Step 3: Cross multiply
    124,143.80x = 171,405.68 × 96,950.57
  4. Step 4: Simplify right side
    124,143.80x = 16,617,877,035.46
  5. Step 5: Solve for x
    x = 16,617,877,035.46/124,143.80
  6. Step 6: Final answer
    x = 133,859.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.