Home / 131,608.95-181,620.35-71,179.59

Finding the Fourth Proportional to 131,608.95, 181,620.35 and 71,179.59

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Solution

The fourth proportional to 131,608.95, 181,620.35 and 71,179.59 is: 98,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,608.95 : 181,620.35 = 71,179.59 : x
  2. Step 2: Convert to fraction form
    131,608.95/181,620.35 = 71,179.59/x
  3. Step 3: Cross multiply
    131,608.95x = 181,620.35 × 71,179.59
  4. Step 4: Simplify right side
    131,608.95x = 12,927,662,048.66
  5. Step 5: Solve for x
    x = 12,927,662,048.66/131,608.95
  6. Step 6: Final answer
    x = 98,227.83

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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.