Home / 252,135.90-378,203.85-181,277.10

Finding the Fourth Proportional to 252,135.90, 378,203.85 and 181,277.10

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Solution

The fourth proportional to 252,135.90, 378,203.85 and 181,277.10 is: 271,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,135.90 : 378,203.85 = 181,277.10 : x
  2. Step 2: Convert to fraction form
    252,135.90/378,203.85 = 181,277.10/x
  3. Step 3: Cross multiply
    252,135.90x = 378,203.85 × 181,277.10
  4. Step 4: Simplify right side
    252,135.90x = 68,559,697,136.84
  5. Step 5: Solve for x
    x = 68,559,697,136.84/252,135.90
  6. Step 6: Final answer
    x = 271,915.65

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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.