Home / 131,759.51-181,828.17-71,330.13

Finding the Fourth Proportional to 131,759.51, 181,828.17 and 71,330.13

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Solution

The fourth proportional to 131,759.51, 181,828.17 and 71,330.13 is: 98,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.51 : 181,828.17 = 71,330.13 : x
  2. Step 2: Convert to fraction form
    131,759.51/181,828.17 = 71,330.13/x
  3. Step 3: Cross multiply
    131,759.51x = 181,828.17 × 71,330.13
  4. Step 4: Simplify right side
    131,759.51x = 12,969,827,003.76
  5. Step 5: Solve for x
    x = 12,969,827,003.76/131,759.51
  6. Step 6: Final answer
    x = 98,435.61

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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.