Home / 74,157.60-111,104.88-61,604

Finding the Fourth Proportional to 74,157.60, 111,104.88 and 61,604

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Solution

The fourth proportional to 74,157.60, 111,104.88 and 61,604 is: 92,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,157.60 : 111,104.88 = 61,604 : x
  2. Step 2: Convert to fraction form
    74,157.60/111,104.88 = 61,604/x
  3. Step 3: Cross multiply
    74,157.60x = 111,104.88 × 61,604
  4. Step 4: Simplify right side
    74,157.60x = 6,844,505,027.52
  5. Step 5: Solve for x
    x = 6,844,505,027.52/74,157.60
  6. Step 6: Final answer
    x = 92,296.74

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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.