Home / 215,011.45-296,672.59-124,334.38

Finding the Fourth Proportional to 215,011.45, 296,672.59 and 124,334.38

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Solution

The fourth proportional to 215,011.45, 296,672.59 and 124,334.38 is: 171,556.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,011.45 : 296,672.59 = 124,334.38 : x
  2. Step 2: Convert to fraction form
    215,011.45/296,672.59 = 124,334.38/x
  3. Step 3: Cross multiply
    215,011.45x = 296,672.59 × 124,334.38
  4. Step 4: Simplify right side
    215,011.45x = 36,886,602,540.64
  5. Step 5: Solve for x
    x = 36,886,602,540.64/215,011.45
  6. Step 6: Final answer
    x = 171,556.46

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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.