Home / 131,799.75-181,883.33-71,370.40

Finding the Fourth Proportional to 131,799.75, 181,883.33 and 71,370.40

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Solution

The fourth proportional to 131,799.75, 181,883.33 and 71,370.40 is: 98,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.75 : 181,883.33 = 71,370.40 : x
  2. Step 2: Convert to fraction form
    131,799.75/181,883.33 = 71,370.40/x
  3. Step 3: Cross multiply
    131,799.75x = 181,883.33 × 71,370.40
  4. Step 4: Simplify right side
    131,799.75x = 12,981,085,501.72
  5. Step 5: Solve for x
    x = 12,981,085,501.72/131,799.75
  6. Step 6: Final answer
    x = 98,490.97

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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.