Home / 90,194.85-135,252.28-48,067.08

Finding the Fourth Proportional to 90,194.85, 135,252.28 and 48,067.08

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Solution

The fourth proportional to 90,194.85, 135,252.28 and 48,067.08 is: 72,079.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.85 : 135,252.28 = 48,067.08 : x
  2. Step 2: Convert to fraction form
    90,194.85/135,252.28 = 48,067.08/x
  3. Step 3: Cross multiply
    90,194.85x = 135,252.28 × 48,067.08
  4. Step 4: Simplify right side
    90,194.85x = 6,501,182,162.94
  5. Step 5: Solve for x
    x = 6,501,182,162.94/90,194.85
  6. Step 6: Final answer
    x = 72,079.31

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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.