Home / 154,148.94-231,241.92-54,288.48

Finding the Fourth Proportional to 154,148.94, 231,241.92 and 54,288.48

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Solution

The fourth proportional to 154,148.94, 231,241.92 and 54,288.48 is: 81,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,148.94 : 231,241.92 = 54,288.48 : x
  2. Step 2: Convert to fraction form
    154,148.94/231,241.92 = 54,288.48/x
  3. Step 3: Cross multiply
    154,148.94x = 231,241.92 × 54,288.48
  4. Step 4: Simplify right side
    154,148.94x = 12,553,772,349.08
  5. Step 5: Solve for x
    x = 12,553,772,349.08/154,148.94
  6. Step 6: Final answer
    x = 81,439.24

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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.