Home / 214,054.80-295,350.12-129,170.40

Finding the Fourth Proportional to 214,054.80, 295,350.12 and 129,170.40

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Solution

The fourth proportional to 214,054.80, 295,350.12 and 129,170.40 is: 178,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,054.80 : 295,350.12 = 129,170.40 : x
  2. Step 2: Convert to fraction form
    214,054.80/295,350.12 = 129,170.40/x
  3. Step 3: Cross multiply
    214,054.80x = 295,350.12 × 129,170.40
  4. Step 4: Simplify right side
    214,054.80x = 38,150,493,140.45
  5. Step 5: Solve for x
    x = 38,150,493,140.45/214,054.80
  6. Step 6: Final answer
    x = 178,227.69

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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.