Home / 90,018.24-135,027.42-23,458.20

Finding the Fourth Proportional to 90,018.24, 135,027.42 and 23,458.20

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Solution

The fourth proportional to 90,018.24, 135,027.42 and 23,458.20 is: 35,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,018.24 : 135,027.42 = 23,458.20 : x
  2. Step 2: Convert to fraction form
    90,018.24/135,027.42 = 23,458.20/x
  3. Step 3: Cross multiply
    90,018.24x = 135,027.42 × 23,458.20
  4. Step 4: Simplify right side
    90,018.24x = 3,167,500,223.84
  5. Step 5: Solve for x
    x = 3,167,500,223.84/90,018.24
  6. Step 6: Final answer
    x = 35,187.32

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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.