Home / 90,408.78-135,602.73-23,854.23

Finding the Fourth Proportional to 90,408.78, 135,602.73 and 23,854.23

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Solution

The fourth proportional to 90,408.78, 135,602.73 and 23,854.23 is: 35,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,408.78 : 135,602.73 = 23,854.23 : x
  2. Step 2: Convert to fraction form
    90,408.78/135,602.73 = 23,854.23/x
  3. Step 3: Cross multiply
    90,408.78x = 135,602.73 × 23,854.23
  4. Step 4: Simplify right side
    90,408.78x = 3,234,698,710.05
  5. Step 5: Solve for x
    x = 3,234,698,710.05/90,408.78
  6. Step 6: Final answer
    x = 35,778.59

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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.