Home / 91,988.22-126,994.12-55,696.18

Finding the Fourth Proportional to 91,988.22, 126,994.12 and 55,696.18

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Solution

The fourth proportional to 91,988.22, 126,994.12 and 55,696.18 is: 76,891.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,988.22 : 126,994.12 = 55,696.18 : x
  2. Step 2: Convert to fraction form
    91,988.22/126,994.12 = 55,696.18/x
  3. Step 3: Cross multiply
    91,988.22x = 126,994.12 × 55,696.18
  4. Step 4: Simplify right side
    91,988.22x = 7,073,087,366.46
  5. Step 5: Solve for x
    x = 7,073,087,366.46/91,988.22
  6. Step 6: Final answer
    x = 76,891.23

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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.