Home / 136,964.35-189,007.17-76,535.49

Finding the Fourth Proportional to 136,964.35, 189,007.17 and 76,535.49

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Solution

The fourth proportional to 136,964.35, 189,007.17 and 76,535.49 is: 105,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,964.35 : 189,007.17 = 76,535.49 : x
  2. Step 2: Convert to fraction form
    136,964.35/189,007.17 = 76,535.49/x
  3. Step 3: Cross multiply
    136,964.35x = 189,007.17 × 76,535.49
  4. Step 4: Simplify right side
    136,964.35x = 14,465,756,158.58
  5. Step 5: Solve for x
    x = 14,465,756,158.58/136,964.35
  6. Step 6: Final answer
    x = 105,616.94

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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.