Home / 126,690.48-174,805.08-75,695.55

Finding the Fourth Proportional to 126,690.48, 174,805.08 and 75,695.55

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Solution

The fourth proportional to 126,690.48, 174,805.08 and 75,695.55 is: 104,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.48 : 174,805.08 = 75,695.55 : x
  2. Step 2: Convert to fraction form
    126,690.48/174,805.08 = 75,695.55/x
  3. Step 3: Cross multiply
    126,690.48x = 174,805.08 × 75,695.55
  4. Step 4: Simplify right side
    126,690.48x = 13,231,966,673.39
  5. Step 5: Solve for x
    x = 13,231,966,673.39/126,690.48
  6. Step 6: Final answer
    x = 104,443.26

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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.