Home / 209,824.64-314,363.80-120,894.44

Finding the Fourth Proportional to 209,824.64, 314,363.80 and 120,894.44

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Solution

The fourth proportional to 209,824.64, 314,363.80 and 120,894.44 is: 181,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,824.64 : 314,363.80 = 120,894.44 : x
  2. Step 2: Convert to fraction form
    209,824.64/314,363.80 = 120,894.44/x
  3. Step 3: Cross multiply
    209,824.64x = 314,363.80 × 120,894.44
  4. Step 4: Simplify right side
    209,824.64x = 38,004,835,557.27
  5. Step 5: Solve for x
    x = 38,004,835,557.27/209,824.64
  6. Step 6: Final answer
    x = 181,126.66

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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.