Home / 90,339.60-135,503.94-23,778.26

Finding the Fourth Proportional to 90,339.60, 135,503.94 and 23,778.26

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Solution

The fourth proportional to 90,339.60, 135,503.94 and 23,778.26 is: 35,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,339.60 : 135,503.94 = 23,778.26 : x
  2. Step 2: Convert to fraction form
    90,339.60/135,503.94 = 23,778.26/x
  3. Step 3: Cross multiply
    90,339.60x = 135,503.94 × 23,778.26
  4. Step 4: Simplify right side
    90,339.60x = 3,222,047,702.38
  5. Step 5: Solve for x
    x = 3,222,047,702.38/90,339.60
  6. Step 6: Final answer
    x = 35,665.95

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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.