Home / 131,703.74-181,751.14-71,274.36

Finding the Fourth Proportional to 131,703.74, 181,751.14 and 71,274.36

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Solution

The fourth proportional to 131,703.74, 181,751.14 and 71,274.36 is: 98,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.74 : 181,751.14 = 71,274.36 : x
  2. Step 2: Convert to fraction form
    131,703.74/181,751.14 = 71,274.36/x
  3. Step 3: Cross multiply
    131,703.74x = 181,751.14 × 71,274.36
  4. Step 4: Simplify right side
    131,703.74x = 12,954,196,953.43
  5. Step 5: Solve for x
    x = 12,954,196,953.43/131,703.74
  6. Step 6: Final answer
    x = 98,358.61

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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.