Home / 119,961.36-165,552-68,990.64

Finding the Fourth Proportional to 119,961.36, 165,552 and 68,990.64

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Solution

The fourth proportional to 119,961.36, 165,552 and 68,990.64 is: 95,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,961.36 : 165,552 = 68,990.64 : x
  2. Step 2: Convert to fraction form
    119,961.36/165,552 = 68,990.64/x
  3. Step 3: Cross multiply
    119,961.36x = 165,552 × 68,990.64
  4. Step 4: Simplify right side
    119,961.36x = 11,421,538,433.28
  5. Step 5: Solve for x
    x = 11,421,538,433.28/119,961.36
  6. Step 6: Final answer
    x = 95,210.14

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1.5x scale

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.