Home / 215,044.98-296,769.68-118,256.21

Finding the Fourth Proportional to 215,044.98, 296,769.68 and 118,256.21

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Solution

The fourth proportional to 215,044.98, 296,769.68 and 118,256.21 is: 163,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,044.98 : 296,769.68 = 118,256.21 : x
  2. Step 2: Convert to fraction form
    215,044.98/296,769.68 = 118,256.21/x
  3. Step 3: Cross multiply
    215,044.98x = 296,769.68 × 118,256.21
  4. Step 4: Simplify right side
    215,044.98x = 35,094,855,524.58
  5. Step 5: Solve for x
    x = 35,094,855,524.58/215,044.98
  6. Step 6: Final answer
    x = 163,197.74

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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.