Home / 90,016.14-124,218.52-51,772.80

Finding the Fourth Proportional to 90,016.14, 124,218.52 and 51,772.80

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Solution

The fourth proportional to 90,016.14, 124,218.52 and 51,772.80 is: 71,444.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,016.14 : 124,218.52 = 51,772.80 : x
  2. Step 2: Convert to fraction form
    90,016.14/124,218.52 = 51,772.80/x
  3. Step 3: Cross multiply
    90,016.14x = 124,218.52 × 51,772.80
  4. Step 4: Simplify right side
    90,016.14x = 6,431,140,592.26
  5. Step 5: Solve for x
    x = 6,431,140,592.26/90,016.14
  6. Step 6: Final answer
    x = 71,444.31

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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.