Home / 126,065.18-173,965.53-68,703.33

Finding the Fourth Proportional to 126,065.18, 173,965.53 and 68,703.33

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Solution

The fourth proportional to 126,065.18, 173,965.53 and 68,703.33 is: 94,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,065.18 : 173,965.53 = 68,703.33 : x
  2. Step 2: Convert to fraction form
    126,065.18/173,965.53 = 68,703.33/x
  3. Step 3: Cross multiply
    126,065.18x = 173,965.53 × 68,703.33
  4. Step 4: Simplify right side
    126,065.18x = 11,952,012,126.22
  5. Step 5: Solve for x
    x = 11,952,012,126.22/126,065.18
  6. Step 6: Final answer
    x = 94,808.19

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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.