Home / 141,337.09-195,045.33-77,673.52

Finding the Fourth Proportional to 141,337.09, 195,045.33 and 77,673.52

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Solution

The fourth proportional to 141,337.09, 195,045.33 and 77,673.52 is: 107,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,337.09 : 195,045.33 = 77,673.52 : x
  2. Step 2: Convert to fraction form
    141,337.09/195,045.33 = 77,673.52/x
  3. Step 3: Cross multiply
    141,337.09x = 195,045.33 × 77,673.52
  4. Step 4: Simplify right side
    141,337.09x = 15,149,857,340.66
  5. Step 5: Solve for x
    x = 15,149,857,340.66/141,337.09
  6. Step 6: Final answer
    x = 107,189.54

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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.