Home / 90,442.11-135,669.66-23,881.57

Finding the Fourth Proportional to 90,442.11, 135,669.66 and 23,881.57

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Solution

The fourth proportional to 90,442.11, 135,669.66 and 23,881.57 is: 35,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,442.11 : 135,669.66 = 23,881.57 : x
  2. Step 2: Convert to fraction form
    90,442.11/135,669.66 = 23,881.57/x
  3. Step 3: Cross multiply
    90,442.11x = 135,669.66 × 23,881.57
  4. Step 4: Simplify right side
    90,442.11x = 3,240,004,482.17
  5. Step 5: Solve for x
    x = 3,240,004,482.17/90,442.11
  6. Step 6: Final answer
    x = 35,824.07

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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.