Home / 214,039.92-295,377.26-129,140.58

Finding the Fourth Proportional to 214,039.92, 295,377.26 and 129,140.58

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Solution

The fourth proportional to 214,039.92, 295,377.26 and 129,140.58 is: 178,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,039.92 : 295,377.26 = 129,140.58 : x
  2. Step 2: Convert to fraction form
    214,039.92/295,377.26 = 129,140.58/x
  3. Step 3: Cross multiply
    214,039.92x = 295,377.26 × 129,140.58
  4. Step 4: Simplify right side
    214,039.92x = 38,145,189,838.88
  5. Step 5: Solve for x
    x = 38,145,189,838.88/214,039.92
  6. Step 6: Final answer
    x = 178,215.31

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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.