Home / 205,535.20-308,115.95-79,094.81

Finding the Fourth Proportional to 205,535.20, 308,115.95 and 79,094.81

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Solution

The fourth proportional to 205,535.20, 308,115.95 and 79,094.81 is: 118,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,535.20 : 308,115.95 = 79,094.81 : x
  2. Step 2: Convert to fraction form
    205,535.20/308,115.95 = 79,094.81/x
  3. Step 3: Cross multiply
    205,535.20x = 308,115.95 × 79,094.81
  4. Step 4: Simplify right side
    205,535.20x = 24,370,372,127.75
  5. Step 5: Solve for x
    x = 24,370,372,127.75/205,535.20
  6. Step 6: Final answer
    x = 118,570.31

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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.