Home / 165,437.65-248,156.49-40,778.65

Finding the Fourth Proportional to 165,437.65, 248,156.49 and 40,778.65

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Solution

The fourth proportional to 165,437.65, 248,156.49 and 40,778.65 is: 61,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,437.65 : 248,156.49 = 40,778.65 : x
  2. Step 2: Convert to fraction form
    165,437.65/248,156.49 = 40,778.65/x
  3. Step 3: Cross multiply
    165,437.65x = 248,156.49 × 40,778.65
  4. Step 4: Simplify right side
    165,437.65x = 10,119,486,650.94
  5. Step 5: Solve for x
    x = 10,119,486,650.94/165,437.65
  6. Step 6: Final answer
    x = 61,167.98

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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.