Home / 127,612.74-176,102.70-71,029.38

Finding the Fourth Proportional to 127,612.74, 176,102.70 and 71,029.38

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Solution

The fourth proportional to 127,612.74, 176,102.70 and 71,029.38 is: 98,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.74 : 176,102.70 = 71,029.38 : x
  2. Step 2: Convert to fraction form
    127,612.74/176,102.70 = 71,029.38/x
  3. Step 3: Cross multiply
    127,612.74x = 176,102.70 × 71,029.38
  4. Step 4: Simplify right side
    127,612.74x = 12,508,465,597.33
  5. Step 5: Solve for x
    x = 12,508,465,597.33/127,612.74
  6. Step 6: Final answer
    x = 98,018.94

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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.