Home / 126,044.09-173,933.03-72,333.53

Finding the Fourth Proportional to 126,044.09, 173,933.03 and 72,333.53

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Solution

The fourth proportional to 126,044.09, 173,933.03 and 72,333.53 is: 99,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.09 : 173,933.03 = 72,333.53 : x
  2. Step 2: Convert to fraction form
    126,044.09/173,933.03 = 72,333.53/x
  3. Step 3: Cross multiply
    126,044.09x = 173,933.03 × 72,333.53
  4. Step 4: Simplify right side
    126,044.09x = 12,581,189,681.83
  5. Step 5: Solve for x
    x = 12,581,189,681.83/126,044.09
  6. Step 6: Final answer
    x = 99,815.78

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1.5x scale

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.