Home / 154,277.98-212,523.06-131,542.90

Finding the Fourth Proportional to 154,277.98, 212,523.06 and 131,542.90

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Solution

The fourth proportional to 154,277.98, 212,523.06 and 131,542.90 is: 181,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,277.98 : 212,523.06 = 131,542.90 : x
  2. Step 2: Convert to fraction form
    154,277.98/212,523.06 = 131,542.90/x
  3. Step 3: Cross multiply
    154,277.98x = 212,523.06 × 131,542.90
  4. Step 4: Simplify right side
    154,277.98x = 27,955,899,629.27
  5. Step 5: Solve for x
    x = 27,955,899,629.27/154,277.98
  6. Step 6: Final answer
    x = 181,204.73

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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.