Home / 132,364.20-198,575.10-43,602.60

Finding the Fourth Proportional to 132,364.20, 198,575.10 and 43,602.60

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Solution

The fourth proportional to 132,364.20, 198,575.10 and 43,602.60 is: 65,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,364.20 : 198,575.10 = 43,602.60 : x
  2. Step 2: Convert to fraction form
    132,364.20/198,575.10 = 43,602.60/x
  3. Step 3: Cross multiply
    132,364.20x = 198,575.10 × 43,602.60
  4. Step 4: Simplify right side
    132,364.20x = 8,658,390,655.26
  5. Step 5: Solve for x
    x = 8,658,390,655.26/132,364.20
  6. Step 6: Final answer
    x = 65,413.39

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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.