Home / 231,926.60-347,687.40-89,868.80

Finding the Fourth Proportional to 231,926.60, 347,687.40 and 89,868.80

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Solution

The fourth proportional to 231,926.60, 347,687.40 and 89,868.80 is: 134,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,926.60 : 347,687.40 = 89,868.80 : x
  2. Step 2: Convert to fraction form
    231,926.60/347,687.40 = 89,868.80/x
  3. Step 3: Cross multiply
    231,926.60x = 347,687.40 × 89,868.80
  4. Step 4: Simplify right side
    231,926.60x = 31,246,249,413.12
  5. Step 5: Solve for x
    x = 31,246,249,413.12/231,926.60
  6. Step 6: Final answer
    x = 134,724.73

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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.