Home / 79,801.60-119,730.96-34,190.16

Finding the Fourth Proportional to 79,801.60, 119,730.96 and 34,190.16

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Solution

The fourth proportional to 79,801.60, 119,730.96 and 34,190.16 is: 51,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,801.60 : 119,730.96 = 34,190.16 : x
  2. Step 2: Convert to fraction form
    79,801.60/119,730.96 = 34,190.16/x
  3. Step 3: Cross multiply
    79,801.60x = 119,730.96 × 34,190.16
  4. Step 4: Simplify right side
    79,801.60x = 4,093,620,679.35
  5. Step 5: Solve for x
    x = 4,093,620,679.35/79,801.60
  6. Step 6: Final answer
    x = 51,297.48

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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.