Home / 126,342.09-174,144.38-89,560.62

Finding the Fourth Proportional to 126,342.09, 174,144.38 and 89,560.62

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Solution

The fourth proportional to 126,342.09, 174,144.38 and 89,560.62 is: 123,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,342.09 : 174,144.38 = 89,560.62 : x
  2. Step 2: Convert to fraction form
    126,342.09/174,144.38 = 89,560.62/x
  3. Step 3: Cross multiply
    126,342.09x = 174,144.38 × 89,560.62
  4. Step 4: Simplify right side
    126,342.09x = 15,596,478,194.51
  5. Step 5: Solve for x
    x = 15,596,478,194.51/126,342.09
  6. Step 6: Final answer
    x = 123,446.42

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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.