Home / 127,473.40-175,927.06-79,742.12

Finding the Fourth Proportional to 127,473.40, 175,927.06 and 79,742.12

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Solution

The fourth proportional to 127,473.40, 175,927.06 and 79,742.12 is: 110,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,473.40 : 175,927.06 = 79,742.12 : x
  2. Step 2: Convert to fraction form
    127,473.40/175,927.06 = 79,742.12/x
  3. Step 3: Cross multiply
    127,473.40x = 175,927.06 × 79,742.12
  4. Step 4: Simplify right side
    127,473.40x = 14,028,797,163.67
  5. Step 5: Solve for x
    x = 14,028,797,163.67/127,473.40
  6. Step 6: Final answer
    x = 110,052.75

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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.