Home / 90,283.36-135,152.88-48,604

Finding the Fourth Proportional to 90,283.36, 135,152.88 and 48,604

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Solution

The fourth proportional to 90,283.36, 135,152.88 and 48,604 is: 72,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,283.36 : 135,152.88 = 48,604 : x
  2. Step 2: Convert to fraction form
    90,283.36/135,152.88 = 48,604/x
  3. Step 3: Cross multiply
    90,283.36x = 135,152.88 × 48,604
  4. Step 4: Simplify right side
    90,283.36x = 6,568,970,579.52
  5. Step 5: Solve for x
    x = 6,568,970,579.52/90,283.36
  6. Step 6: Final answer
    x = 72,759.48

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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.