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Finding the Fourth Proportional to 134,791.60, 202,187.40 and 64,634.80

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Solution

The fourth proportional to 134,791.60, 202,187.40 and 64,634.80 is: 96,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791.60 : 202,187.40 = 64,634.80 : x
  2. Step 2: Convert to fraction form
    134,791.60/202,187.40 = 64,634.80/x
  3. Step 3: Cross multiply
    134,791.60x = 202,187.40 × 64,634.80
  4. Step 4: Simplify right side
    134,791.60x = 13,068,342,161.52
  5. Step 5: Solve for x
    x = 13,068,342,161.52/134,791.60
  6. Step 6: Final answer
    x = 96,952.20

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1.5x scale

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.