Home / 102,866.29-154,050.27-71,187.58

Finding the Fourth Proportional to 102,866.29, 154,050.27 and 71,187.58

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Solution

The fourth proportional to 102,866.29, 154,050.27 and 71,187.58 is: 106,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,866.29 : 154,050.27 = 71,187.58 : x
  2. Step 2: Convert to fraction form
    102,866.29/154,050.27 = 71,187.58/x
  3. Step 3: Cross multiply
    102,866.29x = 154,050.27 × 71,187.58
  4. Step 4: Simplify right side
    102,866.29x = 10,966,465,919.65
  5. Step 5: Solve for x
    x = 10,966,465,919.65/102,866.29
  6. Step 6: Final answer
    x = 106,608.94

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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.