Home / 127,245.12-175,520.40-91,483.44

Finding the Fourth Proportional to 127,245.12, 175,520.40 and 91,483.44

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Solution

The fourth proportional to 127,245.12, 175,520.40 and 91,483.44 is: 126,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,245.12 : 175,520.40 = 91,483.44 : x
  2. Step 2: Convert to fraction form
    127,245.12/175,520.40 = 91,483.44/x
  3. Step 3: Cross multiply
    127,245.12x = 175,520.40 × 91,483.44
  4. Step 4: Simplify right side
    127,245.12x = 16,057,209,982.18
  5. Step 5: Solve for x
    x = 16,057,209,982.18/127,245.12
  6. Step 6: Final answer
    x = 126,191.17

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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.