Home / 230,766.76-318,458.42-128,792.22

Finding the Fourth Proportional to 230,766.76, 318,458.42 and 128,792.22

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Solution

The fourth proportional to 230,766.76, 318,458.42 and 128,792.22 is: 177,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,766.76 : 318,458.42 = 128,792.22 : x
  2. Step 2: Convert to fraction form
    230,766.76/318,458.42 = 128,792.22/x
  3. Step 3: Cross multiply
    230,766.76x = 318,458.42 × 128,792.22
  4. Step 4: Simplify right side
    230,766.76x = 41,014,966,889.49
  5. Step 5: Solve for x
    x = 41,014,966,889.49/230,766.76
  6. Step 6: Final answer
    x = 177,733.43

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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.