Home / 137,506.27-189,767.42-77,076.93

Finding the Fourth Proportional to 137,506.27, 189,767.42 and 77,076.93

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Solution

The fourth proportional to 137,506.27, 189,767.42 and 77,076.93 is: 106,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,506.27 : 189,767.42 = 77,076.93 : x
  2. Step 2: Convert to fraction form
    137,506.27/189,767.42 = 77,076.93/x
  3. Step 3: Cross multiply
    137,506.27x = 189,767.42 × 77,076.93
  4. Step 4: Simplify right side
    137,506.27x = 14,626,690,147.62
  5. Step 5: Solve for x
    x = 14,626,690,147.62/137,506.27
  6. Step 6: Final answer
    x = 106,371.08

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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.