Home / 208,746.12-313,118.33-75,595.28

Finding the Fourth Proportional to 208,746.12, 313,118.33 and 75,595.28

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Solution

The fourth proportional to 208,746.12, 313,118.33 and 75,595.28 is: 113,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,746.12 : 313,118.33 = 75,595.28 : x
  2. Step 2: Convert to fraction form
    208,746.12/313,118.33 = 75,595.28/x
  3. Step 3: Cross multiply
    208,746.12x = 313,118.33 × 75,595.28
  4. Step 4: Simplify right side
    208,746.12x = 23,670,268,801.27
  5. Step 5: Solve for x
    x = 23,670,268,801.27/208,746.12
  6. Step 6: Final answer
    x = 113,392.62

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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.