Home / 123,011.60-184,517.04-38,778.80

Finding the Fourth Proportional to 123,011.60, 184,517.04 and 38,778.80

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Solution

The fourth proportional to 123,011.60, 184,517.04 and 38,778.80 is: 58,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,011.60 : 184,517.04 = 38,778.80 : x
  2. Step 2: Convert to fraction form
    123,011.60/184,517.04 = 38,778.80/x
  3. Step 3: Cross multiply
    123,011.60x = 184,517.04 × 38,778.80
  4. Step 4: Simplify right side
    123,011.60x = 7,155,349,390.75
  5. Step 5: Solve for x
    x = 7,155,349,390.75/123,011.60
  6. Step 6: Final answer
    x = 58,168.09

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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.