Home / 272,863.35-376,561.85-158,145.75

Finding the Fourth Proportional to 272,863.35, 376,561.85 and 158,145.75

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Solution

The fourth proportional to 272,863.35, 376,561.85 and 158,145.75 is: 218,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,863.35 : 376,561.85 = 158,145.75 : x
  2. Step 2: Convert to fraction form
    272,863.35/376,561.85 = 158,145.75/x
  3. Step 3: Cross multiply
    272,863.35x = 376,561.85 × 158,145.75
  4. Step 4: Simplify right side
    272,863.35x = 59,551,655,398.91
  5. Step 5: Solve for x
    x = 59,551,655,398.91/272,863.35
  6. Step 6: Final answer
    x = 218,247.18

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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.