Home / 126,203.50-174,162.99-81,569.26

Finding the Fourth Proportional to 126,203.50, 174,162.99 and 81,569.26

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Solution

The fourth proportional to 126,203.50, 174,162.99 and 81,569.26 is: 112,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,203.50 : 174,162.99 = 81,569.26 : x
  2. Step 2: Convert to fraction form
    126,203.50/174,162.99 = 81,569.26/x
  3. Step 3: Cross multiply
    126,203.50x = 174,162.99 × 81,569.26
  4. Step 4: Simplify right side
    126,203.50x = 14,206,346,213.69
  5. Step 5: Solve for x
    x = 14,206,346,213.69/126,203.50
  6. Step 6: Final answer
    x = 112,566.97

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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.