Home / 127,255.76-175,615.06-69,900.40

Finding the Fourth Proportional to 127,255.76, 175,615.06 and 69,900.40

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Solution

The fourth proportional to 127,255.76, 175,615.06 and 69,900.40 is: 96,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,255.76 : 175,615.06 = 69,900.40 : x
  2. Step 2: Convert to fraction form
    127,255.76/175,615.06 = 69,900.40/x
  3. Step 3: Cross multiply
    127,255.76x = 175,615.06 × 69,900.40
  4. Step 4: Simplify right side
    127,255.76x = 12,275,562,940.02
  5. Step 5: Solve for x
    x = 12,275,562,940.02/127,255.76
  6. Step 6: Final answer
    x = 96,463.71

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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.