Home / 132,984.32-199,442.40-39,468.80

Finding the Fourth Proportional to 132,984.32, 199,442.40 and 39,468.80

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Solution

The fourth proportional to 132,984.32, 199,442.40 and 39,468.80 is: 59,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.32 : 199,442.40 = 39,468.80 : x
  2. Step 2: Convert to fraction form
    132,984.32/199,442.40 = 39,468.80/x
  3. Step 3: Cross multiply
    132,984.32x = 199,442.40 × 39,468.80
  4. Step 4: Simplify right side
    132,984.32x = 7,871,752,197.12
  5. Step 5: Solve for x
    x = 7,871,752,197.12/132,984.32
  6. Step 6: Final answer
    x = 59,193.09

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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.