Home / 155,330.42-214,304.41-126,600.73

Finding the Fourth Proportional to 155,330.42, 214,304.41 and 126,600.73

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Solution

The fourth proportional to 155,330.42, 214,304.41 and 126,600.73 is: 174,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,330.42 : 214,304.41 = 126,600.73 : x
  2. Step 2: Convert to fraction form
    155,330.42/214,304.41 = 126,600.73/x
  3. Step 3: Cross multiply
    155,330.42x = 214,304.41 × 126,600.73
  4. Step 4: Simplify right side
    155,330.42x = 27,131,094,748.22
  5. Step 5: Solve for x
    x = 27,131,094,748.22/155,330.42
  6. Step 6: Final answer
    x = 174,666.98

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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.