Home / 126,842.74-174,998-75,820.02

Finding the Fourth Proportional to 126,842.74, 174,998 and 75,820.02

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Solution

The fourth proportional to 126,842.74, 174,998 and 75,820.02 is: 104,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,842.74 : 174,998 = 75,820.02 : x
  2. Step 2: Convert to fraction form
    126,842.74/174,998 = 75,820.02/x
  3. Step 3: Cross multiply
    126,842.74x = 174,998 × 75,820.02
  4. Step 4: Simplify right side
    126,842.74x = 13,268,351,859.96
  5. Step 5: Solve for x
    x = 13,268,351,859.96/126,842.74
  6. Step 6: Final answer
    x = 104,604.74

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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.