Home / 133,136.48-199,649.20-54,197.12

Finding the Fourth Proportional to 133,136.48, 199,649.20 and 54,197.12

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Solution

The fourth proportional to 133,136.48, 199,649.20 and 54,197.12 is: 81,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,136.48 : 199,649.20 = 54,197.12 : x
  2. Step 2: Convert to fraction form
    133,136.48/199,649.20 = 54,197.12/x
  3. Step 3: Cross multiply
    133,136.48x = 199,649.20 × 54,197.12
  4. Step 4: Simplify right side
    133,136.48x = 10,820,411,650.30
  5. Step 5: Solve for x
    x = 10,820,411,650.30/133,136.48
  6. Step 6: Final answer
    x = 81,273.08

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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.