Home / 218,724.80-328,132.98-92,365.43

Finding the Fourth Proportional to 218,724.80, 328,132.98 and 92,365.43

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Solution

The fourth proportional to 218,724.80, 328,132.98 and 92,365.43 is: 138,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,724.80 : 328,132.98 = 92,365.43 : x
  2. Step 2: Convert to fraction form
    218,724.80/328,132.98 = 92,365.43/x
  3. Step 3: Cross multiply
    218,724.80x = 328,132.98 × 92,365.43
  4. Step 4: Simplify right side
    218,724.80x = 30,308,142,154.22
  5. Step 5: Solve for x
    x = 30,308,142,154.22/218,724.80
  6. Step 6: Final answer
    x = 138,567.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.