Home / 127,127.88-175,441.55-69,769.22

Finding the Fourth Proportional to 127,127.88, 175,441.55 and 69,769.22

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Solution

The fourth proportional to 127,127.88, 175,441.55 and 69,769.22 is: 96,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.88 : 175,441.55 = 69,769.22 : x
  2. Step 2: Convert to fraction form
    127,127.88/175,441.55 = 69,769.22/x
  3. Step 3: Cross multiply
    127,127.88x = 175,441.55 × 69,769.22
  4. Step 4: Simplify right side
    127,127.88x = 12,240,418,873.04
  5. Step 5: Solve for x
    x = 12,240,418,873.04/127,127.88
  6. Step 6: Final answer
    x = 96,284.30

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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.