Home / 127,733.40-176,267.34-71,143.56

Finding the Fourth Proportional to 127,733.40, 176,267.34 and 71,143.56

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Solution

The fourth proportional to 127,733.40, 176,267.34 and 71,143.56 is: 98,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.40 : 176,267.34 = 71,143.56 : x
  2. Step 2: Convert to fraction form
    127,733.40/176,267.34 = 71,143.56/x
  3. Step 3: Cross multiply
    127,733.40x = 176,267.34 × 71,143.56
  4. Step 4: Simplify right side
    127,733.40x = 12,540,286,079.33
  5. Step 5: Solve for x
    x = 12,540,286,079.33/127,733.40
  6. Step 6: Final answer
    x = 98,175.47

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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.