Home / 124,628.26-187,003.38-77,230.68

Finding the Fourth Proportional to 124,628.26, 187,003.38 and 77,230.68

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Solution

The fourth proportional to 124,628.26, 187,003.38 and 77,230.68 is: 115,883.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,628.26 : 187,003.38 = 77,230.68 : x
  2. Step 2: Convert to fraction form
    124,628.26/187,003.38 = 77,230.68/x
  3. Step 3: Cross multiply
    124,628.26x = 187,003.38 × 77,230.68
  4. Step 4: Simplify right side
    124,628.26x = 14,442,398,199.70
  5. Step 5: Solve for x
    x = 14,442,398,199.70/124,628.26
  6. Step 6: Final answer
    x = 115,883.81

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1.5x scale

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.