Home / 96,131.48-132,723.84-86,042.40

Finding the Fourth Proportional to 96,131.48, 132,723.84 and 86,042.40

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Solution

The fourth proportional to 96,131.48, 132,723.84 and 86,042.40 is: 118,794.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,131.48 : 132,723.84 = 86,042.40 : x
  2. Step 2: Convert to fraction form
    96,131.48/132,723.84 = 86,042.40/x
  3. Step 3: Cross multiply
    96,131.48x = 132,723.84 × 86,042.40
  4. Step 4: Simplify right side
    96,131.48x = 11,419,877,730.82
  5. Step 5: Solve for x
    x = 11,419,877,730.82/96,131.48
  6. Step 6: Final answer
    x = 118,794.36

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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.