Home / 134,839.64-202,434.42-103,696.76

Finding the Fourth Proportional to 134,839.64, 202,434.42 and 103,696.76

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Solution

The fourth proportional to 134,839.64, 202,434.42 and 103,696.76 is: 155,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,839.64 : 202,434.42 = 103,696.76 : x
  2. Step 2: Convert to fraction form
    134,839.64/202,434.42 = 103,696.76/x
  3. Step 3: Cross multiply
    134,839.64x = 202,434.42 × 103,696.76
  4. Step 4: Simplify right side
    134,839.64x = 20,991,793,466.48
  5. Step 5: Solve for x
    x = 20,991,793,466.48/134,839.64
  6. Step 6: Final answer
    x = 155,679.69

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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.