Home / 131,770.04-181,842.77-71,340.73

Finding the Fourth Proportional to 131,770.04, 181,842.77 and 71,340.73

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Solution

The fourth proportional to 131,770.04, 181,842.77 and 71,340.73 is: 98,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,770.04 : 181,842.77 = 71,340.73 : x
  2. Step 2: Convert to fraction form
    131,770.04/181,842.77 = 71,340.73/x
  3. Step 3: Cross multiply
    131,770.04x = 181,842.77 × 71,340.73
  4. Step 4: Simplify right side
    131,770.04x = 12,972,795,957.02
  5. Step 5: Solve for x
    x = 12,972,795,957.02/131,770.04
  6. Step 6: Final answer
    x = 98,450.27

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1.5x scale

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.