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Finding the Fourth Proportional to 123,231.60, 184,847.40 and 97,862.40

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Solution

The fourth proportional to 123,231.60, 184,847.40 and 97,862.40 is: 146,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,231.60 : 184,847.40 = 97,862.40 : x
  2. Step 2: Convert to fraction form
    123,231.60/184,847.40 = 97,862.40/x
  3. Step 3: Cross multiply
    123,231.60x = 184,847.40 × 97,862.40
  4. Step 4: Simplify right side
    123,231.60x = 18,089,610,197.76
  5. Step 5: Solve for x
    x = 18,089,610,197.76/123,231.60
  6. Step 6: Final answer
    x = 146,793.60

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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.