Home / 126,481.90-174,547.52-69,124.78

Finding the Fourth Proportional to 126,481.90, 174,547.52 and 69,124.78

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Solution

The fourth proportional to 126,481.90, 174,547.52 and 69,124.78 is: 95,393.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.90 : 174,547.52 = 69,124.78 : x
  2. Step 2: Convert to fraction form
    126,481.90/174,547.52 = 69,124.78/x
  3. Step 3: Cross multiply
    126,481.90x = 174,547.52 × 69,124.78
  4. Step 4: Simplify right side
    126,481.90x = 12,065,558,919.55
  5. Step 5: Solve for x
    x = 12,065,558,919.55/126,481.90
  6. Step 6: Final answer
    x = 95,393.56

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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.