Home / 131,708.33-181,757.48-71,278.98

Finding the Fourth Proportional to 131,708.33, 181,757.48 and 71,278.98

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Solution

The fourth proportional to 131,708.33, 181,757.48 and 71,278.98 is: 98,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,708.33 : 181,757.48 = 71,278.98 : x
  2. Step 2: Convert to fraction form
    131,708.33/181,757.48 = 71,278.98/x
  3. Step 3: Cross multiply
    131,708.33x = 181,757.48 × 71,278.98
  4. Step 4: Simplify right side
    131,708.33x = 12,955,487,455.45
  5. Step 5: Solve for x
    x = 12,955,487,455.45/131,708.33
  6. Step 6: Final answer
    x = 98,364.98

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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.