Home / 253,308.04-379,829.82-126,811.72

Finding the Fourth Proportional to 253,308.04, 379,829.82 and 126,811.72

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Solution

The fourth proportional to 253,308.04, 379,829.82 and 126,811.72 is: 190,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,308.04 : 379,829.82 = 126,811.72 : x
  2. Step 2: Convert to fraction form
    253,308.04/379,829.82 = 126,811.72/x
  3. Step 3: Cross multiply
    253,308.04x = 379,829.82 × 126,811.72
  4. Step 4: Simplify right side
    253,308.04x = 48,166,872,781.49
  5. Step 5: Solve for x
    x = 48,166,872,781.49/253,308.04
  6. Step 6: Final answer
    x = 190,151.38

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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.