Home / 90,606.90-135,917-24,045.54

Finding the Fourth Proportional to 90,606.90, 135,917 and 24,045.54

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Solution

The fourth proportional to 90,606.90, 135,917 and 24,045.54 is: 36,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,606.90 : 135,917 = 24,045.54 : x
  2. Step 2: Convert to fraction form
    90,606.90/135,917 = 24,045.54/x
  3. Step 3: Cross multiply
    90,606.90x = 135,917 × 24,045.54
  4. Step 4: Simplify right side
    90,606.90x = 3,268,197,660.18
  5. Step 5: Solve for x
    x = 3,268,197,660.18/90,606.90
  6. Step 6: Final answer
    x = 36,070.07

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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.