Home / 127,315.44-175,742.40-109,338.24

Finding the Fourth Proportional to 127,315.44, 175,742.40 and 109,338.24

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Solution

The fourth proportional to 127,315.44, 175,742.40 and 109,338.24 is: 150,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,315.44 : 175,742.40 = 109,338.24 : x
  2. Step 2: Convert to fraction form
    127,315.44/175,742.40 = 109,338.24/x
  3. Step 3: Cross multiply
    127,315.44x = 175,742.40 × 109,338.24
  4. Step 4: Simplify right side
    127,315.44x = 19,215,364,709.38
  5. Step 5: Solve for x
    x = 19,215,364,709.38/127,315.44
  6. Step 6: Final answer
    x = 150,927.21

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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.