Home / 115,630.20-173,445.30-40,834.80

Finding the Fourth Proportional to 115,630.20, 173,445.30 and 40,834.80

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Solution

The fourth proportional to 115,630.20, 173,445.30 and 40,834.80 is: 61,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,630.20 : 173,445.30 = 40,834.80 : x
  2. Step 2: Convert to fraction form
    115,630.20/173,445.30 = 40,834.80/x
  3. Step 3: Cross multiply
    115,630.20x = 173,445.30 × 40,834.80
  4. Step 4: Simplify right side
    115,630.20x = 7,082,604,136.44
  5. Step 5: Solve for x
    x = 7,082,604,136.44/115,630.20
  6. Step 6: Final answer
    x = 61,252.20

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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.