Home / 165,639.05-248,484.71-70,869.85

Finding the Fourth Proportional to 165,639.05, 248,484.71 and 70,869.85

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Solution

The fourth proportional to 165,639.05, 248,484.71 and 70,869.85 is: 106,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,639.05 : 248,484.71 = 70,869.85 : x
  2. Step 2: Convert to fraction form
    165,639.05/248,484.71 = 70,869.85/x
  3. Step 3: Cross multiply
    165,639.05x = 248,484.71 × 70,869.85
  4. Step 4: Simplify right side
    165,639.05x = 17,610,072,882.57
  5. Step 5: Solve for x
    x = 17,610,072,882.57/165,639.05
  6. Step 6: Final answer
    x = 106,315.95

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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.