Home / 367,749.80-551,495.10-131,100.20

Finding the Fourth Proportional to 367,749.80, 551,495.10 and 131,100.20

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Solution

The fourth proportional to 367,749.80, 551,495.10 and 131,100.20 is: 196,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,749.80 : 551,495.10 = 131,100.20 : x
  2. Step 2: Convert to fraction form
    367,749.80/551,495.10 = 131,100.20/x
  3. Step 3: Cross multiply
    367,749.80x = 551,495.10 × 131,100.20
  4. Step 4: Simplify right side
    367,749.80x = 72,301,117,909.02
  5. Step 5: Solve for x
    x = 72,301,117,909.02/367,749.80
  6. Step 6: Final answer
    x = 196,604.10

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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.