Home / 127,749.82-176,300.20-71,161.22

Finding the Fourth Proportional to 127,749.82, 176,300.20 and 71,161.22

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Solution

The fourth proportional to 127,749.82, 176,300.20 and 71,161.22 is: 98,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,749.82 : 176,300.20 = 71,161.22 : x
  2. Step 2: Convert to fraction form
    127,749.82/176,300.20 = 71,161.22/x
  3. Step 3: Cross multiply
    127,749.82x = 176,300.20 × 71,161.22
  4. Step 4: Simplify right side
    127,749.82x = 12,545,737,318.24
  5. Step 5: Solve for x
    x = 12,545,737,318.24/127,749.82
  6. Step 6: Final answer
    x = 98,205.52

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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.