Home / 131,703.40-181,750.67-71,274.04

Finding the Fourth Proportional to 131,703.40, 181,750.67 and 71,274.04

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Solution

The fourth proportional to 131,703.40, 181,750.67 and 71,274.04 is: 98,358.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.40 : 181,750.67 = 71,274.04 : x
  2. Step 2: Convert to fraction form
    131,703.40/181,750.67 = 71,274.04/x
  3. Step 3: Cross multiply
    131,703.40x = 181,750.67 × 71,274.04
  4. Step 4: Simplify right side
    131,703.40x = 12,954,103,614.85
  5. Step 5: Solve for x
    x = 12,954,103,614.85/131,703.40
  6. Step 6: Final answer
    x = 98,358.16

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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.