Home / 90,067.19-124,275.06-54,259.18

Finding the Fourth Proportional to 90,067.19, 124,275.06 and 54,259.18

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Solution

The fourth proportional to 90,067.19, 124,275.06 and 54,259.18 is: 74,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,067.19 : 124,275.06 = 54,259.18 : x
  2. Step 2: Convert to fraction form
    90,067.19/124,275.06 = 54,259.18/x
  3. Step 3: Cross multiply
    90,067.19x = 124,275.06 × 54,259.18
  4. Step 4: Simplify right side
    90,067.19x = 6,743,062,539.36
  5. Step 5: Solve for x
    x = 6,743,062,539.36/90,067.19
  6. Step 6: Final answer
    x = 74,867.02

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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.