Home / 119,856.24-165,396.75-66,140.54

Finding the Fourth Proportional to 119,856.24, 165,396.75 and 66,140.54

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Solution

The fourth proportional to 119,856.24, 165,396.75 and 66,140.54 is: 91,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,856.24 : 165,396.75 = 66,140.54 : x
  2. Step 2: Convert to fraction form
    119,856.24/165,396.75 = 66,140.54/x
  3. Step 3: Cross multiply
    119,856.24x = 165,396.75 × 66,140.54
  4. Step 4: Simplify right side
    119,856.24x = 10,939,430,359.25
  5. Step 5: Solve for x
    x = 10,939,430,359.25/119,856.24
  6. Step 6: Final answer
    x = 91,271.26

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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.