Home / 126,754.24-174,762.06-81,352.12

Finding the Fourth Proportional to 126,754.24, 174,762.06 and 81,352.12

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Solution

The fourth proportional to 126,754.24, 174,762.06 and 81,352.12 is: 112,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,754.24 : 174,762.06 = 81,352.12 : x
  2. Step 2: Convert to fraction form
    126,754.24/174,762.06 = 81,352.12/x
  3. Step 3: Cross multiply
    126,754.24x = 174,762.06 × 81,352.12
  4. Step 4: Simplify right side
    126,754.24x = 14,217,264,076.57
  5. Step 5: Solve for x
    x = 14,217,264,076.57/126,754.24
  6. Step 6: Final answer
    x = 112,164.01

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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.