Home / 205,868.94-284,034.36-115,210.50

Finding the Fourth Proportional to 205,868.94, 284,034.36 and 115,210.50

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Solution

The fourth proportional to 205,868.94, 284,034.36 and 115,210.50 is: 158,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,868.94 : 284,034.36 = 115,210.50 : x
  2. Step 2: Convert to fraction form
    205,868.94/284,034.36 = 115,210.50/x
  3. Step 3: Cross multiply
    205,868.94x = 284,034.36 × 115,210.50
  4. Step 4: Simplify right side
    205,868.94x = 32,723,739,999.69
  5. Step 5: Solve for x
    x = 32,723,739,999.69/205,868.94
  6. Step 6: Final answer
    x = 158,954.24

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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.