Home / 126,490.44-174,575.34-76,188.36

Finding the Fourth Proportional to 126,490.44, 174,575.34 and 76,188.36

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Solution

The fourth proportional to 126,490.44, 174,575.34 and 76,188.36 is: 105,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.44 : 174,575.34 = 76,188.36 : x
  2. Step 2: Convert to fraction form
    126,490.44/174,575.34 = 76,188.36/x
  3. Step 3: Cross multiply
    126,490.44x = 174,575.34 × 76,188.36
  4. Step 4: Simplify right side
    126,490.44x = 13,300,608,851.04
  5. Step 5: Solve for x
    x = 13,300,608,851.04/126,490.44
  6. Step 6: Final answer
    x = 105,151.10

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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.