Home / 90,015.30-135,022.98-23,455.26

Finding the Fourth Proportional to 90,015.30, 135,022.98 and 23,455.26

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Solution

The fourth proportional to 90,015.30, 135,022.98 and 23,455.26 is: 35,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,015.30 : 135,022.98 = 23,455.26 : x
  2. Step 2: Convert to fraction form
    90,015.30/135,022.98 = 23,455.26/x
  3. Step 3: Cross multiply
    90,015.30x = 135,022.98 × 23,455.26
  4. Step 4: Simplify right side
    90,015.30x = 3,166,999,101.87
  5. Step 5: Solve for x
    x = 3,166,999,101.87/90,015.30
  6. Step 6: Final answer
    x = 35,182.90

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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.