Home / 170,207.64-234,914.60-129,845.20

Finding the Fourth Proportional to 170,207.64, 234,914.60 and 129,845.20

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Solution

The fourth proportional to 170,207.64, 234,914.60 and 129,845.20 is: 179,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,207.64 : 234,914.60 = 129,845.20 : x
  2. Step 2: Convert to fraction form
    170,207.64/234,914.60 = 129,845.20/x
  3. Step 3: Cross multiply
    170,207.64x = 234,914.60 × 129,845.20
  4. Step 4: Simplify right side
    170,207.64x = 30,502,533,219.92
  5. Step 5: Solve for x
    x = 30,502,533,219.92/170,207.64
  6. Step 6: Final answer
    x = 179,207.78

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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.