Home / 177,151.20-266,136.40-121,855.20

Finding the Fourth Proportional to 177,151.20, 266,136.40 and 121,855.20

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Solution

The fourth proportional to 177,151.20, 266,136.40 and 121,855.20 is: 183,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,151.20 : 266,136.40 = 121,855.20 : x
  2. Step 2: Convert to fraction form
    177,151.20/266,136.40 = 121,855.20/x
  3. Step 3: Cross multiply
    177,151.20x = 266,136.40 × 121,855.20
  4. Step 4: Simplify right side
    177,151.20x = 32,430,104,249.28
  5. Step 5: Solve for x
    x = 32,430,104,249.28/177,151.20
  6. Step 6: Final answer
    x = 183,064.55

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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.