Home / 220,090.91-330,136.38-114,885.27

Finding the Fourth Proportional to 220,090.91, 330,136.38 and 114,885.27

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Solution

The fourth proportional to 220,090.91, 330,136.38 and 114,885.27 is: 172,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090.91 : 330,136.38 = 114,885.27 : x
  2. Step 2: Convert to fraction form
    220,090.91/330,136.38 = 114,885.27/x
  3. Step 3: Cross multiply
    220,090.91x = 330,136.38 × 114,885.27
  4. Step 4: Simplify right side
    220,090.91x = 37,927,807,153.12
  5. Step 5: Solve for x
    x = 37,927,807,153.12/220,090.91
  6. Step 6: Final answer
    x = 172,327.92

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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.