Home / 268,977.62-371,191.87-148,130.14

Finding the Fourth Proportional to 268,977.62, 371,191.87 and 148,130.14

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Solution

The fourth proportional to 268,977.62, 371,191.87 and 148,130.14 is: 204,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,977.62 : 371,191.87 = 148,130.14 : x
  2. Step 2: Convert to fraction form
    268,977.62/371,191.87 = 148,130.14/x
  3. Step 3: Cross multiply
    268,977.62x = 371,191.87 × 148,130.14
  4. Step 4: Simplify right side
    268,977.62x = 54,984,703,669.96
  5. Step 5: Solve for x
    x = 54,984,703,669.96/268,977.62
  6. Step 6: Final answer
    x = 204,421.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.