Home / 119,400.30-164,773.78-68,412.00

Finding the Fourth Proportional to 119,400.30, 164,773.78 and 68,412.00

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Solution

The fourth proportional to 119,400.30, 164,773.78 and 68,412.00 is: 94,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,400.30 : 164,773.78 = 68,412.00 : x
  2. Step 2: Convert to fraction form
    119,400.30/164,773.78 = 68,412.00/x
  3. Step 3: Cross multiply
    119,400.30x = 164,773.78 × 68,412.00
  4. Step 4: Simplify right side
    119,400.30x = 11,272,504,284.23
  5. Step 5: Solve for x
    x = 11,272,504,284.23/119,400.30
  6. Step 6: Final answer
    x = 94,409.35

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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.