Home / 166,689.85-250,110.68-70,653.39

Finding the Fourth Proportional to 166,689.85, 250,110.68 and 70,653.39

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Solution

The fourth proportional to 166,689.85, 250,110.68 and 70,653.39 is: 106,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.85 : 250,110.68 = 70,653.39 : x
  2. Step 2: Convert to fraction form
    166,689.85/250,110.68 = 70,653.39/x
  3. Step 3: Cross multiply
    166,689.85x = 250,110.68 × 70,653.39
  4. Step 4: Simplify right side
    166,689.85x = 17,671,166,166.65
  5. Step 5: Solve for x
    x = 17,671,166,166.65/166,689.85
  6. Step 6: Final answer
    x = 106,012.25

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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.