Home / 126,490.50-174,556.89-76,199.22

Finding the Fourth Proportional to 126,490.50, 174,556.89 and 76,199.22

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Solution

The fourth proportional to 126,490.50, 174,556.89 and 76,199.22 is: 105,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.50 : 174,556.89 = 76,199.22 : x
  2. Step 2: Convert to fraction form
    126,490.50/174,556.89 = 76,199.22/x
  3. Step 3: Cross multiply
    126,490.50x = 174,556.89 × 76,199.22
  4. Step 4: Simplify right side
    126,490.50x = 13,301,098,863.63
  5. Step 5: Solve for x
    x = 13,301,098,863.63/126,490.50
  6. Step 6: Final answer
    x = 105,154.92

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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.