Home / 236,529.30-354,850.65-78,759.18

Finding the Fourth Proportional to 236,529.30, 354,850.65 and 78,759.18

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Solution

The fourth proportional to 236,529.30, 354,850.65 and 78,759.18 is: 118,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,529.30 : 354,850.65 = 78,759.18 : x
  2. Step 2: Convert to fraction form
    236,529.30/354,850.65 = 78,759.18/x
  3. Step 3: Cross multiply
    236,529.30x = 354,850.65 × 78,759.18
  4. Step 4: Simplify right side
    236,529.30x = 27,947,746,216.47
  5. Step 5: Solve for x
    x = 27,947,746,216.47/236,529.30
  6. Step 6: Final answer
    x = 118,157.65

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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.