Home / 84,140.42-126,179.13-27,970.16

Finding the Fourth Proportional to 84,140.42, 126,179.13 and 27,970.16

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Solution

The fourth proportional to 84,140.42, 126,179.13 and 27,970.16 is: 41,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,140.42 : 126,179.13 = 27,970.16 : x
  2. Step 2: Convert to fraction form
    84,140.42/126,179.13 = 27,970.16/x
  3. Step 3: Cross multiply
    84,140.42x = 126,179.13 × 27,970.16
  4. Step 4: Simplify right side
    84,140.42x = 3,529,250,770.21
  5. Step 5: Solve for x
    x = 3,529,250,770.21/84,140.42
  6. Step 6: Final answer
    x = 41,944.77

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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.