Home / 209,729.88-314,345.07-120,799.17

Finding the Fourth Proportional to 209,729.88, 314,345.07 and 120,799.17

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Solution

The fourth proportional to 209,729.88, 314,345.07 and 120,799.17 is: 181,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,729.88 : 314,345.07 = 120,799.17 : x
  2. Step 2: Convert to fraction form
    209,729.88/314,345.07 = 120,799.17/x
  3. Step 3: Cross multiply
    209,729.88x = 314,345.07 × 120,799.17
  4. Step 4: Simplify right side
    209,729.88x = 37,972,623,549.59
  5. Step 5: Solve for x
    x = 37,972,623,549.59/209,729.88
  6. Step 6: Final answer
    x = 181,054.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.