Home / 90,412.62-135,603.54-23,853.39

Finding the Fourth Proportional to 90,412.62, 135,603.54 and 23,853.39

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Solution

The fourth proportional to 90,412.62, 135,603.54 and 23,853.39 is: 35,776.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,412.62 : 135,603.54 = 23,853.39 : x
  2. Step 2: Convert to fraction form
    90,412.62/135,603.54 = 23,853.39/x
  3. Step 3: Cross multiply
    90,412.62x = 135,603.54 × 23,853.39
  4. Step 4: Simplify right side
    90,412.62x = 3,234,604,125.00
  5. Step 5: Solve for x
    x = 3,234,604,125.00/90,412.62
  6. Step 6: Final answer
    x = 35,776.02

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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.