Home / 115,949.90-160,027.77-64,966.07

Finding the Fourth Proportional to 115,949.90, 160,027.77 and 64,966.07

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Solution

The fourth proportional to 115,949.90, 160,027.77 and 64,966.07 is: 89,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,949.90 : 160,027.77 = 64,966.07 : x
  2. Step 2: Convert to fraction form
    115,949.90/160,027.77 = 64,966.07/x
  3. Step 3: Cross multiply
    115,949.90x = 160,027.77 × 64,966.07
  4. Step 4: Simplify right side
    115,949.90x = 10,396,375,307.76
  5. Step 5: Solve for x
    x = 10,396,375,307.76/115,949.90
  6. Step 6: Final answer
    x = 89,662.65

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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.