Home / 215,124.04-296,811.16-129,029.14

Finding the Fourth Proportional to 215,124.04, 296,811.16 and 129,029.14

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Solution

The fourth proportional to 215,124.04, 296,811.16 and 129,029.14 is: 178,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,124.04 : 296,811.16 = 129,029.14 : x
  2. Step 2: Convert to fraction form
    215,124.04/296,811.16 = 129,029.14/x
  3. Step 3: Cross multiply
    215,124.04x = 296,811.16 × 129,029.14
  4. Step 4: Simplify right side
    215,124.04x = 38,297,288,717.20
  5. Step 5: Solve for x
    x = 38,297,288,717.20/215,124.04
  6. Step 6: Final answer
    x = 178,024.22

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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.