Home / 134,542.20-201,669.30-45,713.40

Finding the Fourth Proportional to 134,542.20, 201,669.30 and 45,713.40

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Solution

The fourth proportional to 134,542.20, 201,669.30 and 45,713.40 is: 68,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,542.20 : 201,669.30 = 45,713.40 : x
  2. Step 2: Convert to fraction form
    134,542.20/201,669.30 = 45,713.40/x
  3. Step 3: Cross multiply
    134,542.20x = 201,669.30 × 45,713.40
  4. Step 4: Simplify right side
    134,542.20x = 9,218,989,378.62
  5. Step 5: Solve for x
    x = 9,218,989,378.62/134,542.20
  6. Step 6: Final answer
    x = 68,521.17

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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.