Home / 127,131.08-175,441.06-70,542.44

Finding the Fourth Proportional to 127,131.08, 175,441.06 and 70,542.44

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Solution

The fourth proportional to 127,131.08, 175,441.06 and 70,542.44 is: 97,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,131.08 : 175,441.06 = 70,542.44 : x
  2. Step 2: Convert to fraction form
    127,131.08/175,441.06 = 70,542.44/x
  3. Step 3: Cross multiply
    127,131.08x = 175,441.06 × 70,542.44
  4. Step 4: Simplify right side
    127,131.08x = 12,376,040,448.59
  5. Step 5: Solve for x
    x = 12,376,040,448.59/127,131.08
  6. Step 6: Final answer
    x = 97,348.66

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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.