Home / 243,257.72-364,886.55-124,853.54

Finding the Fourth Proportional to 243,257.72, 364,886.55 and 124,853.54

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Solution

The fourth proportional to 243,257.72, 364,886.55 and 124,853.54 is: 187,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,257.72 : 364,886.55 = 124,853.54 : x
  2. Step 2: Convert to fraction form
    243,257.72/364,886.55 = 124,853.54/x
  3. Step 3: Cross multiply
    243,257.72x = 364,886.55 × 124,853.54
  4. Step 4: Simplify right side
    243,257.72x = 45,557,375,641.45
  5. Step 5: Solve for x
    x = 45,557,375,641.45/243,257.72
  6. Step 6: Final answer
    x = 187,280.29

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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.