Home / 135,870.48-203,589.36-91,333.44

Finding the Fourth Proportional to 135,870.48, 203,589.36 and 91,333.44

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Solution

The fourth proportional to 135,870.48, 203,589.36 and 91,333.44 is: 136,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,870.48 : 203,589.36 = 91,333.44 : x
  2. Step 2: Convert to fraction form
    135,870.48/203,589.36 = 91,333.44/x
  3. Step 3: Cross multiply
    135,870.48x = 203,589.36 × 91,333.44
  4. Step 4: Simplify right side
    135,870.48x = 18,594,516,596.20
  5. Step 5: Solve for x
    x = 18,594,516,596.20/135,870.48
  6. Step 6: Final answer
    x = 136,854.72

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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.