Home / 110,769.73-165,904.40-77,637.29

Finding the Fourth Proportional to 110,769.73, 165,904.40 and 77,637.29

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Solution

The fourth proportional to 110,769.73, 165,904.40 and 77,637.29 is: 116,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,769.73 : 165,904.40 = 77,637.29 : x
  2. Step 2: Convert to fraction form
    110,769.73/165,904.40 = 77,637.29/x
  3. Step 3: Cross multiply
    110,769.73x = 165,904.40 × 77,637.29
  4. Step 4: Simplify right side
    110,769.73x = 12,880,367,379.65
  5. Step 5: Solve for x
    x = 12,880,367,379.65/110,769.73
  6. Step 6: Final answer
    x = 116,280.57

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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.