Home / 126,914.09-175,048.29-91,140.84

Finding the Fourth Proportional to 126,914.09, 175,048.29 and 91,140.84

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Solution

The fourth proportional to 126,914.09, 175,048.29 and 91,140.84 is: 125,707.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.09 : 175,048.29 = 91,140.84 : x
  2. Step 2: Convert to fraction form
    126,914.09/175,048.29 = 91,140.84/x
  3. Step 3: Cross multiply
    126,914.09x = 175,048.29 × 91,140.84
  4. Step 4: Simplify right side
    126,914.09x = 15,954,048,191.16
  5. Step 5: Solve for x
    x = 15,954,048,191.16/126,914.09
  6. Step 6: Final answer
    x = 125,707.47

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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.