Home / 134,143.20-201,141.90-55,265.40

Finding the Fourth Proportional to 134,143.20, 201,141.90 and 55,265.40

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Solution

The fourth proportional to 134,143.20, 201,141.90 and 55,265.40 is: 82,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,143.20 : 201,141.90 = 55,265.40 : x
  2. Step 2: Convert to fraction form
    134,143.20/201,141.90 = 55,265.40/x
  3. Step 3: Cross multiply
    134,143.20x = 201,141.90 × 55,265.40
  4. Step 4: Simplify right side
    134,143.20x = 11,116,187,560.26
  5. Step 5: Solve for x
    x = 11,116,187,560.26/134,143.20
  6. Step 6: Final answer
    x = 82,868.07

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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.