Home / 123,515.20-185,280.90-34,771.60

Finding the Fourth Proportional to 123,515.20, 185,280.90 and 34,771.60

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Solution

The fourth proportional to 123,515.20, 185,280.90 and 34,771.60 is: 52,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,515.20 : 185,280.90 = 34,771.60 : x
  2. Step 2: Convert to fraction form
    123,515.20/185,280.90 = 34,771.60/x
  3. Step 3: Cross multiply
    123,515.20x = 185,280.90 × 34,771.60
  4. Step 4: Simplify right side
    123,515.20x = 6,442,513,342.44
  5. Step 5: Solve for x
    x = 6,442,513,342.44/123,515.20
  6. Step 6: Final answer
    x = 52,159.68

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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.