Home / 131,920.08-182,091.05-84,173.34

Finding the Fourth Proportional to 131,920.08, 182,091.05 and 84,173.34

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Solution

The fourth proportional to 131,920.08, 182,091.05 and 84,173.34 is: 116,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,920.08 : 182,091.05 = 84,173.34 : x
  2. Step 2: Convert to fraction form
    131,920.08/182,091.05 = 84,173.34/x
  3. Step 3: Cross multiply
    131,920.08x = 182,091.05 × 84,173.34
  4. Step 4: Simplify right side
    131,920.08x = 15,327,211,441.74
  5. Step 5: Solve for x
    x = 15,327,211,441.74/131,920.08
  6. Step 6: Final answer
    x = 116,185.58

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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.