Home / 90,190.60-135,307.92-63,588.52

Finding the Fourth Proportional to 90,190.60, 135,307.92 and 63,588.52

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Solution

The fourth proportional to 90,190.60, 135,307.92 and 63,588.52 is: 95,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,190.60 : 135,307.92 = 63,588.52 : x
  2. Step 2: Convert to fraction form
    90,190.60/135,307.92 = 63,588.52/x
  3. Step 3: Cross multiply
    90,190.60x = 135,307.92 × 63,588.52
  4. Step 4: Simplify right side
    90,190.60x = 8,604,030,377.08
  5. Step 5: Solve for x
    x = 8,604,030,377.08/90,190.60
  6. Step 6: Final answer
    x = 95,398.31

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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.