Home / 90,010.60-135,004.02-23,455.24

Finding the Fourth Proportional to 90,010.60, 135,004.02 and 23,455.24

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Solution

The fourth proportional to 90,010.60, 135,004.02 and 23,455.24 is: 35,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,010.60 : 135,004.02 = 23,455.24 : x
  2. Step 2: Convert to fraction form
    90,010.60/135,004.02 = 23,455.24/x
  3. Step 3: Cross multiply
    90,010.60x = 135,004.02 × 23,455.24
  4. Step 4: Simplify right side
    90,010.60x = 3,166,551,690.06
  5. Step 5: Solve for x
    x = 3,166,551,690.06/90,010.60
  6. Step 6: Final answer
    x = 35,179.76

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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.