Home / 208,789.24-313,030.52-66,552.64

Finding the Fourth Proportional to 208,789.24, 313,030.52 and 66,552.64

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Solution

The fourth proportional to 208,789.24, 313,030.52 and 66,552.64 is: 99,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,789.24 : 313,030.52 = 66,552.64 : x
  2. Step 2: Convert to fraction form
    208,789.24/313,030.52 = 66,552.64/x
  3. Step 3: Cross multiply
    208,789.24x = 313,030.52 × 66,552.64
  4. Step 4: Simplify right side
    208,789.24x = 20,833,007,506.57
  5. Step 5: Solve for x
    x = 20,833,007,506.57/208,789.24
  6. Step 6: Final answer
    x = 99,780.08

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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.