Home / 126,040.38-173,939.43-69,455.40

Finding the Fourth Proportional to 126,040.38, 173,939.43 and 69,455.40

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Solution

The fourth proportional to 126,040.38, 173,939.43 and 69,455.40 is: 95,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,040.38 : 173,939.43 = 69,455.40 : x
  2. Step 2: Convert to fraction form
    126,040.38/173,939.43 = 69,455.40/x
  3. Step 3: Cross multiply
    126,040.38x = 173,939.43 × 69,455.40
  4. Step 4: Simplify right side
    126,040.38x = 12,081,032,686.42
  5. Step 5: Solve for x
    x = 12,081,032,686.42/126,040.38
  6. Step 6: Final answer
    x = 95,850.49

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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.