Home / 131,693.22-181,765.17-83,264.40

Finding the Fourth Proportional to 131,693.22, 181,765.17 and 83,264.40

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Solution

The fourth proportional to 131,693.22, 181,765.17 and 83,264.40 is: 114,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693.22 : 181,765.17 = 83,264.40 : x
  2. Step 2: Convert to fraction form
    131,693.22/181,765.17 = 83,264.40/x
  3. Step 3: Cross multiply
    131,693.22x = 181,765.17 × 83,264.40
  4. Step 4: Simplify right side
    131,693.22x = 15,134,567,820.95
  5. Step 5: Solve for x
    x = 15,134,567,820.95/131,693.22
  6. Step 6: Final answer
    x = 114,922.91

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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.