Home / 126,015.06-173,900.79-69,427.65

Finding the Fourth Proportional to 126,015.06, 173,900.79 and 69,427.65

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Solution

The fourth proportional to 126,015.06, 173,900.79 and 69,427.65 is: 95,810.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,015.06 : 173,900.79 = 69,427.65 : x
  2. Step 2: Convert to fraction form
    126,015.06/173,900.79 = 69,427.65/x
  3. Step 3: Cross multiply
    126,015.06x = 173,900.79 × 69,427.65
  4. Step 4: Simplify right side
    126,015.06x = 12,073,523,182.84
  5. Step 5: Solve for x
    x = 12,073,523,182.84/126,015.06
  6. Step 6: Final answer
    x = 95,810.16

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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.