Home / 90,893.76-136,277.07-40,268.13

Finding the Fourth Proportional to 90,893.76, 136,277.07 and 40,268.13

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Solution

The fourth proportional to 90,893.76, 136,277.07 and 40,268.13 is: 60,374.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893.76 : 136,277.07 = 40,268.13 : x
  2. Step 2: Convert to fraction form
    90,893.76/136,277.07 = 40,268.13/x
  3. Step 3: Cross multiply
    90,893.76x = 136,277.07 × 40,268.13
  4. Step 4: Simplify right side
    90,893.76x = 5,487,622,770.78
  5. Step 5: Solve for x
    x = 5,487,622,770.78/90,893.76
  6. Step 6: Final answer
    x = 60,374.03

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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.