Home / 134,426.81-201,680.37-75,304.91

Finding the Fourth Proportional to 134,426.81, 201,680.37 and 75,304.91

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Solution

The fourth proportional to 134,426.81, 201,680.37 and 75,304.91 is: 112,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,426.81 : 201,680.37 = 75,304.91 : x
  2. Step 2: Convert to fraction form
    134,426.81/201,680.37 = 75,304.91/x
  3. Step 3: Cross multiply
    134,426.81x = 201,680.37 × 75,304.91
  4. Step 4: Simplify right side
    134,426.81x = 15,187,521,103.21
  5. Step 5: Solve for x
    x = 15,187,521,103.21/134,426.81
  6. Step 6: Final answer
    x = 112,979.86

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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.