Home / 230,559.54-345,371.85-130,509.42

Finding the Fourth Proportional to 230,559.54, 345,371.85 and 130,509.42

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Solution

The fourth proportional to 230,559.54, 345,371.85 and 130,509.42 is: 195,499.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,559.54 : 345,371.85 = 130,509.42 : x
  2. Step 2: Convert to fraction form
    230,559.54/345,371.85 = 130,509.42/x
  3. Step 3: Cross multiply
    230,559.54x = 345,371.85 × 130,509.42
  4. Step 4: Simplify right side
    230,559.54x = 45,074,279,827.83
  5. Step 5: Solve for x
    x = 45,074,279,827.83/230,559.54
  6. Step 6: Final answer
    x = 195,499.52

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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.