Home / 126,136.17-173,887.05-99,231.95

Finding the Fourth Proportional to 126,136.17, 173,887.05 and 99,231.95

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Solution

The fourth proportional to 126,136.17, 173,887.05 and 99,231.95 is: 136,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,136.17 : 173,887.05 = 99,231.95 : x
  2. Step 2: Convert to fraction form
    126,136.17/173,887.05 = 99,231.95/x
  3. Step 3: Cross multiply
    126,136.17x = 173,887.05 × 99,231.95
  4. Step 4: Simplify right side
    126,136.17x = 17,255,151,858.08
  5. Step 5: Solve for x
    x = 17,255,151,858.08/126,136.17
  6. Step 6: Final answer
    x = 136,797.81

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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.