Home / 90,220.24-135,338.36-23,660.16

Finding the Fourth Proportional to 90,220.24, 135,338.36 and 23,660.16

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Solution

The fourth proportional to 90,220.24, 135,338.36 and 23,660.16 is: 35,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.24 : 135,338.36 = 23,660.16 : x
  2. Step 2: Convert to fraction form
    90,220.24/135,338.36 = 23,660.16/x
  3. Step 3: Cross multiply
    90,220.24x = 135,338.36 × 23,660.16
  4. Step 4: Simplify right side
    90,220.24x = 3,202,127,251.74
  5. Step 5: Solve for x
    x = 3,202,127,251.74/90,220.24
  6. Step 6: Final answer
    x = 35,492.34

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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.