Home / 214,041.92-295,380.02-129,142.58

Finding the Fourth Proportional to 214,041.92, 295,380.02 and 129,142.58

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Solution

The fourth proportional to 214,041.92, 295,380.02 and 129,142.58 is: 178,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,041.92 : 295,380.02 = 129,142.58 : x
  2. Step 2: Convert to fraction form
    214,041.92/295,380.02 = 129,142.58/x
  3. Step 3: Cross multiply
    214,041.92x = 295,380.02 × 129,142.58
  4. Step 4: Simplify right side
    214,041.92x = 38,146,137,863.25
  5. Step 5: Solve for x
    x = 38,146,137,863.25/214,041.92
  6. Step 6: Final answer
    x = 178,218.07

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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.