Home / 78,092.25-117,141.62-22,688.25

Finding the Fourth Proportional to 78,092.25, 117,141.62 and 22,688.25

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Solution

The fourth proportional to 78,092.25, 117,141.62 and 22,688.25 is: 34,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,092.25 : 117,141.62 = 22,688.25 : x
  2. Step 2: Convert to fraction form
    78,092.25/117,141.62 = 22,688.25/x
  3. Step 3: Cross multiply
    78,092.25x = 117,141.62 × 22,688.25
  4. Step 4: Simplify right side
    78,092.25x = 2,657,738,246.52
  5. Step 5: Solve for x
    x = 2,657,738,246.52/78,092.25
  6. Step 6: Final answer
    x = 34,033.32

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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.