Home / 126,043.32-173,700.53-90,171.06

Finding the Fourth Proportional to 126,043.32, 173,700.53 and 90,171.06

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Solution

The fourth proportional to 126,043.32, 173,700.53 and 90,171.06 is: 124,264.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.32 : 173,700.53 = 90,171.06 : x
  2. Step 2: Convert to fraction form
    126,043.32/173,700.53 = 90,171.06/x
  3. Step 3: Cross multiply
    126,043.32x = 173,700.53 × 90,171.06
  4. Step 4: Simplify right side
    126,043.32x = 15,662,760,912.66
  5. Step 5: Solve for x
    x = 15,662,760,912.66/126,043.32
  6. Step 6: Final answer
    x = 124,264.90

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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.