Home / 209,769.32-289,479.06-114,273.98

Finding the Fourth Proportional to 209,769.32, 289,479.06 and 114,273.98

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Solution

The fourth proportional to 209,769.32, 289,479.06 and 114,273.98 is: 157,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,769.32 : 289,479.06 = 114,273.98 : x
  2. Step 2: Convert to fraction form
    209,769.32/289,479.06 = 114,273.98/x
  3. Step 3: Cross multiply
    209,769.32x = 289,479.06 × 114,273.98
  4. Step 4: Simplify right side
    209,769.32x = 33,079,924,312.86
  5. Step 5: Solve for x
    x = 33,079,924,312.86/209,769.32
  6. Step 6: Final answer
    x = 157,696.68

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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.