Home / 84,252.56-126,413.24-54,282.47

Finding the Fourth Proportional to 84,252.56, 126,413.24 and 54,282.47

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Solution

The fourth proportional to 84,252.56, 126,413.24 and 54,282.47 is: 81,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,252.56 : 126,413.24 = 54,282.47 : x
  2. Step 2: Convert to fraction form
    84,252.56/126,413.24 = 54,282.47/x
  3. Step 3: Cross multiply
    84,252.56x = 126,413.24 × 54,282.47
  4. Step 4: Simplify right side
    84,252.56x = 6,862,022,004.42
  5. Step 5: Solve for x
    x = 6,862,022,004.42/84,252.56
  6. Step 6: Final answer
    x = 81,445.86

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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.