Home / 124,375.28-171,637.80-67,786.64

Finding the Fourth Proportional to 124,375.28, 171,637.80 and 67,786.64

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Solution

The fourth proportional to 124,375.28, 171,637.80 and 67,786.64 is: 93,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,375.28 : 171,637.80 = 67,786.64 : x
  2. Step 2: Convert to fraction form
    124,375.28/171,637.80 = 67,786.64/x
  3. Step 3: Cross multiply
    124,375.28x = 171,637.80 × 67,786.64
  4. Step 4: Simplify right side
    124,375.28x = 11,634,749,758.99
  5. Step 5: Solve for x
    x = 11,634,749,758.99/124,375.28
  6. Step 6: Final answer
    x = 93,545.52

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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.