Home / 205,824.30-284,050.71-115,190.70

Finding the Fourth Proportional to 205,824.30, 284,050.71 and 115,190.70

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Solution

The fourth proportional to 205,824.30, 284,050.71 and 115,190.70 is: 158,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,824.30 : 284,050.71 = 115,190.70 : x
  2. Step 2: Convert to fraction form
    205,824.30/284,050.71 = 115,190.70/x
  3. Step 3: Cross multiply
    205,824.30x = 284,050.71 × 115,190.70
  4. Step 4: Simplify right side
    205,824.30x = 32,720,000,120.40
  5. Step 5: Solve for x
    x = 32,720,000,120.40/205,824.30
  6. Step 6: Final answer
    x = 158,970.54

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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.