Home / 126,063.69-173,965.89-72,347.46

Finding the Fourth Proportional to 126,063.69, 173,965.89 and 72,347.46

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Solution

The fourth proportional to 126,063.69, 173,965.89 and 72,347.46 is: 99,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,063.69 : 173,965.89 = 72,347.46 : x
  2. Step 2: Convert to fraction form
    126,063.69/173,965.89 = 72,347.46/x
  3. Step 3: Cross multiply
    126,063.69x = 173,965.89 × 72,347.46
  4. Step 4: Simplify right side
    126,063.69x = 12,585,990,268.14
  5. Step 5: Solve for x
    x = 12,585,990,268.14/126,063.69
  6. Step 6: Final answer
    x = 99,838.35

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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.