Home / 126,080.71-173,992.13-72,364.35

Finding the Fourth Proportional to 126,080.71, 173,992.13 and 72,364.35

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Solution

The fourth proportional to 126,080.71, 173,992.13 and 72,364.35 is: 99,863.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,080.71 : 173,992.13 = 72,364.35 : x
  2. Step 2: Convert to fraction form
    126,080.71/173,992.13 = 72,364.35/x
  3. Step 3: Cross multiply
    126,080.71x = 173,992.13 × 72,364.35
  4. Step 4: Simplify right side
    126,080.71x = 12,590,827,392.57
  5. Step 5: Solve for x
    x = 12,590,827,392.57/126,080.71
  6. Step 6: Final answer
    x = 99,863.23

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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.