Home / 78,833.73-118,180.26-28,902.17

Finding the Fourth Proportional to 78,833.73, 118,180.26 and 28,902.17

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Solution

The fourth proportional to 78,833.73, 118,180.26 and 28,902.17 is: 43,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.73 : 118,180.26 = 28,902.17 : x
  2. Step 2: Convert to fraction form
    78,833.73/118,180.26 = 28,902.17/x
  3. Step 3: Cross multiply
    78,833.73x = 118,180.26 × 28,902.17
  4. Step 4: Simplify right side
    78,833.73x = 3,415,665,374.26
  5. Step 5: Solve for x
    x = 3,415,665,374.26/78,833.73
  6. Step 6: Final answer
    x = 43,327.46

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1.5x scale

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.