Home / 127,735.56-176,276.78-71,146.93

Finding the Fourth Proportional to 127,735.56, 176,276.78 and 71,146.93

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Solution

The fourth proportional to 127,735.56, 176,276.78 and 71,146.93 is: 98,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,735.56 : 176,276.78 = 71,146.93 : x
  2. Step 2: Convert to fraction form
    127,735.56/176,276.78 = 71,146.93/x
  3. Step 3: Cross multiply
    127,735.56x = 176,276.78 × 71,146.93
  4. Step 4: Simplify right side
    127,735.56x = 12,541,551,727.29
  5. Step 5: Solve for x
    x = 12,541,551,727.29/127,735.56
  6. Step 6: Final answer
    x = 98,183.71

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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.