Home / 90,736.31-125,180.10-52,488.75

Finding the Fourth Proportional to 90,736.31, 125,180.10 and 52,488.75

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Solution

The fourth proportional to 90,736.31, 125,180.10 and 52,488.75 is: 72,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.31 : 125,180.10 = 52,488.75 : x
  2. Step 2: Convert to fraction form
    90,736.31/125,180.10 = 52,488.75/x
  3. Step 3: Cross multiply
    90,736.31x = 125,180.10 × 52,488.75
  4. Step 4: Simplify right side
    90,736.31x = 6,570,546,973.88
  5. Step 5: Solve for x
    x = 6,570,546,973.88/90,736.31
  6. Step 6: Final answer
    x = 72,413.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.