Home / 119,968.87-165,557.28-66,256.15

Finding the Fourth Proportional to 119,968.87, 165,557.28 and 66,256.15

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Solution

The fourth proportional to 119,968.87, 165,557.28 and 66,256.15 is: 91,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,968.87 : 165,557.28 = 66,256.15 : x
  2. Step 2: Convert to fraction form
    119,968.87/165,557.28 = 66,256.15/x
  3. Step 3: Cross multiply
    119,968.87x = 165,557.28 × 66,256.15
  4. Step 4: Simplify right side
    119,968.87x = 10,969,187,977.27
  5. Step 5: Solve for x
    x = 10,969,187,977.27/119,968.87
  6. Step 6: Final answer
    x = 91,433.62

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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.