Home / 126,432.96-174,480.91-75,475.27

Finding the Fourth Proportional to 126,432.96, 174,480.91 and 75,475.27

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Solution

The fourth proportional to 126,432.96, 174,480.91 and 75,475.27 is: 104,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,432.96 : 174,480.91 = 75,475.27 : x
  2. Step 2: Convert to fraction form
    126,432.96/174,480.91 = 75,475.27/x
  3. Step 3: Cross multiply
    126,432.96x = 174,480.91 × 75,475.27
  4. Step 4: Simplify right side
    126,432.96x = 13,168,993,167.21
  5. Step 5: Solve for x
    x = 13,168,993,167.21/126,432.96
  6. Step 6: Final answer
    x = 104,157.91

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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.