Home / 132,859.40-199,289.10-49,742.60

Finding the Fourth Proportional to 132,859.40, 199,289.10 and 49,742.60

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Solution

The fourth proportional to 132,859.40, 199,289.10 and 49,742.60 is: 74,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,859.40 : 199,289.10 = 49,742.60 : x
  2. Step 2: Convert to fraction form
    132,859.40/199,289.10 = 49,742.60/x
  3. Step 3: Cross multiply
    132,859.40x = 199,289.10 × 49,742.60
  4. Step 4: Simplify right side
    132,859.40x = 9,913,157,985.66
  5. Step 5: Solve for x
    x = 9,913,157,985.66/132,859.40
  6. Step 6: Final answer
    x = 74,613.90

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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.