Home / 119,069.16-164,289.78-68,739

Finding the Fourth Proportional to 119,069.16, 164,289.78 and 68,739

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Solution

The fourth proportional to 119,069.16, 164,289.78 and 68,739 is: 94,845.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,069.16 : 164,289.78 = 68,739 : x
  2. Step 2: Convert to fraction form
    119,069.16/164,289.78 = 68,739/x
  3. Step 3: Cross multiply
    119,069.16x = 164,289.78 × 68,739
  4. Step 4: Simplify right side
    119,069.16x = 11,293,115,187.42
  5. Step 5: Solve for x
    x = 11,293,115,187.42/119,069.16
  6. Step 6: Final answer
    x = 94,845.01

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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.