Home / 127,116.93-175,420.87-69,757.21

Finding the Fourth Proportional to 127,116.93, 175,420.87 and 69,757.21

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Solution

The fourth proportional to 127,116.93, 175,420.87 and 69,757.21 is: 96,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.93 : 175,420.87 = 69,757.21 : x
  2. Step 2: Convert to fraction form
    127,116.93/175,420.87 = 69,757.21/x
  3. Step 3: Cross multiply
    127,116.93x = 175,420.87 × 69,757.21
  4. Step 4: Simplify right side
    127,116.93x = 12,236,870,466.97
  5. Step 5: Solve for x
    x = 12,236,870,466.97/127,116.93
  6. Step 6: Final answer
    x = 96,264.68

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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.