Home / 215,144.46-296,906.67-118,352.43

Finding the Fourth Proportional to 215,144.46, 296,906.67 and 118,352.43

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Solution

The fourth proportional to 215,144.46, 296,906.67 and 118,352.43 is: 163,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,144.46 : 296,906.67 = 118,352.43 : x
  2. Step 2: Convert to fraction form
    215,144.46/296,906.67 = 118,352.43/x
  3. Step 3: Cross multiply
    215,144.46x = 296,906.67 × 118,352.43
  4. Step 4: Simplify right side
    215,144.46x = 35,139,625,877.71
  5. Step 5: Solve for x
    x = 35,139,625,877.71/215,144.46
  6. Step 6: Final answer
    x = 163,330.38

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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.