Home / 90,352.05-135,534.74-23,791.72

Finding the Fourth Proportional to 90,352.05, 135,534.74 and 23,791.72

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Solution

The fourth proportional to 90,352.05, 135,534.74 and 23,791.72 is: 35,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352.05 : 135,534.74 = 23,791.72 : x
  2. Step 2: Convert to fraction form
    90,352.05/135,534.74 = 23,791.72/x
  3. Step 3: Cross multiply
    90,352.05x = 135,534.74 × 23,791.72
  4. Step 4: Simplify right side
    90,352.05x = 3,224,604,465.39
  5. Step 5: Solve for x
    x = 3,224,604,465.39/90,352.05
  6. Step 6: Final answer
    x = 35,689.33

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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.