Home / 127,226.24-175,460.64-109,205.12

Finding the Fourth Proportional to 127,226.24, 175,460.64 and 109,205.12

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Solution

The fourth proportional to 127,226.24, 175,460.64 and 109,205.12 is: 150,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.24 : 175,460.64 = 109,205.12 : x
  2. Step 2: Convert to fraction form
    127,226.24/175,460.64 = 109,205.12/x
  3. Step 3: Cross multiply
    127,226.24x = 175,460.64 × 109,205.12
  4. Step 4: Simplify right side
    127,226.24x = 19,161,200,246.48
  5. Step 5: Solve for x
    x = 19,161,200,246.48/127,226.24
  6. Step 6: Final answer
    x = 150,607.30

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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.