Home / 230,682.20-318,340.88-130,079.48

Finding the Fourth Proportional to 230,682.20, 318,340.88 and 130,079.48

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Solution

The fourth proportional to 230,682.20, 318,340.88 and 130,079.48 is: 179,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,682.20 : 318,340.88 = 130,079.48 : x
  2. Step 2: Convert to fraction form
    230,682.20/318,340.88 = 130,079.48/x
  3. Step 3: Cross multiply
    230,682.20x = 318,340.88 × 130,079.48
  4. Step 4: Simplify right side
    230,682.20x = 41,409,616,133.14
  5. Step 5: Solve for x
    x = 41,409,616,133.14/230,682.20
  6. Step 6: Final answer
    x = 179,509.37

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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.