Home / 243,477.04-365,298.60-131,168.78

Finding the Fourth Proportional to 243,477.04, 365,298.60 and 131,168.78

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Solution

The fourth proportional to 243,477.04, 365,298.60 and 131,168.78 is: 196,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,477.04 : 365,298.60 = 131,168.78 : x
  2. Step 2: Convert to fraction form
    243,477.04/365,298.60 = 131,168.78/x
  3. Step 3: Cross multiply
    243,477.04x = 365,298.60 × 131,168.78
  4. Step 4: Simplify right side
    243,477.04x = 47,915,771,324.39
  5. Step 5: Solve for x
    x = 47,915,771,324.39/243,477.04
  6. Step 6: Final answer
    x = 196,797.91

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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.