Home / 131,822.04-181,914.96-71,393.40

Finding the Fourth Proportional to 131,822.04, 181,914.96 and 71,393.40

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Solution

The fourth proportional to 131,822.04, 181,914.96 and 71,393.40 is: 98,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,822.04 : 181,914.96 = 71,393.40 : x
  2. Step 2: Convert to fraction form
    131,822.04/181,914.96 = 71,393.40/x
  3. Step 3: Cross multiply
    131,822.04x = 181,914.96 × 71,393.40
  4. Step 4: Simplify right side
    131,822.04x = 12,987,527,505.26
  5. Step 5: Solve for x
    x = 12,987,527,505.26/131,822.04
  6. Step 6: Final answer
    x = 98,523.19

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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.