Home / 126,468.84-174,608.38-81,166.36

Finding the Fourth Proportional to 126,468.84, 174,608.38 and 81,166.36

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Solution

The fourth proportional to 126,468.84, 174,608.38 and 81,166.36 is: 112,061.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,468.84 : 174,608.38 = 81,166.36 : x
  2. Step 2: Convert to fraction form
    126,468.84/174,608.38 = 81,166.36/x
  3. Step 3: Cross multiply
    126,468.84x = 174,608.38 × 81,166.36
  4. Step 4: Simplify right side
    126,468.84x = 14,172,326,630.10
  5. Step 5: Solve for x
    x = 14,172,326,630.10/126,468.84
  6. Step 6: Final answer
    x = 112,061.81

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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.