Home / 230,614.20-345,921.30-125,638.20

Finding the Fourth Proportional to 230,614.20, 345,921.30 and 125,638.20

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Solution

The fourth proportional to 230,614.20, 345,921.30 and 125,638.20 is: 188,457.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,614.20 : 345,921.30 = 125,638.20 : x
  2. Step 2: Convert to fraction form
    230,614.20/345,921.30 = 125,638.20/x
  3. Step 3: Cross multiply
    230,614.20x = 345,921.30 × 125,638.20
  4. Step 4: Simplify right side
    230,614.20x = 43,460,929,473.66
  5. Step 5: Solve for x
    x = 43,460,929,473.66/230,614.20
  6. Step 6: Final answer
    x = 188,457.30

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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.