Home / 119,965.93-165,555.57-66,254.38

Finding the Fourth Proportional to 119,965.93, 165,555.57 and 66,254.38

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Solution

The fourth proportional to 119,965.93, 165,555.57 and 66,254.38 is: 91,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,965.93 : 165,555.57 = 66,254.38 : x
  2. Step 2: Convert to fraction form
    119,965.93/165,555.57 = 66,254.38/x
  3. Step 3: Cross multiply
    119,965.93x = 165,555.57 × 66,254.38
  4. Step 4: Simplify right side
    119,965.93x = 10,968,781,645.90
  5. Step 5: Solve for x
    x = 10,968,781,645.90/119,965.93
  6. Step 6: Final answer
    x = 91,432.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.