Home / 201,076.83-301,685.31-126,108.23

Finding the Fourth Proportional to 201,076.83, 301,685.31 and 126,108.23

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Solution

The fourth proportional to 201,076.83, 301,685.31 and 126,108.23 is: 189,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,076.83 : 301,685.31 = 126,108.23 : x
  2. Step 2: Convert to fraction form
    201,076.83/301,685.31 = 126,108.23/x
  3. Step 3: Cross multiply
    201,076.83x = 301,685.31 × 126,108.23
  4. Step 4: Simplify right side
    201,076.83x = 38,044,998,952.67
  5. Step 5: Solve for x
    x = 38,044,998,952.67/201,076.83
  6. Step 6: Final answer
    x = 189,206.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.