Home / 214,772.43-296,409.45-122,900.20

Finding the Fourth Proportional to 214,772.43, 296,409.45 and 122,900.20

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Solution

The fourth proportional to 214,772.43, 296,409.45 and 122,900.20 is: 169,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,772.43 : 296,409.45 = 122,900.20 : x
  2. Step 2: Convert to fraction form
    214,772.43/296,409.45 = 122,900.20/x
  3. Step 3: Cross multiply
    214,772.43x = 296,409.45 × 122,900.20
  4. Step 4: Simplify right side
    214,772.43x = 36,428,780,686.89
  5. Step 5: Solve for x
    x = 36,428,780,686.89/214,772.43
  6. Step 6: Final answer
    x = 169,615.72

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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.