Home / 136,766.40-205,129.08-43,260

Finding the Fourth Proportional to 136,766.40, 205,129.08 and 43,260

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Solution

The fourth proportional to 136,766.40, 205,129.08 and 43,260 is: 64,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,766.40 : 205,129.08 = 43,260 : x
  2. Step 2: Convert to fraction form
    136,766.40/205,129.08 = 43,260/x
  3. Step 3: Cross multiply
    136,766.40x = 205,129.08 × 43,260
  4. Step 4: Simplify right side
    136,766.40x = 8,873,884,000.80
  5. Step 5: Solve for x
    x = 8,873,884,000.80/136,766.40
  6. Step 6: Final answer
    x = 64,883.51

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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.