Home / 126,829.74-190,262.10-42,613.98

Finding the Fourth Proportional to 126,829.74, 190,262.10 and 42,613.98

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Solution

The fourth proportional to 126,829.74, 190,262.10 and 42,613.98 is: 63,926.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,829.74 : 190,262.10 = 42,613.98 : x
  2. Step 2: Convert to fraction form
    126,829.74/190,262.10 = 42,613.98/x
  3. Step 3: Cross multiply
    126,829.74x = 190,262.10 × 42,613.98
  4. Step 4: Simplify right side
    126,829.74x = 8,107,824,770.48
  5. Step 5: Solve for x
    x = 8,107,824,770.48/126,829.74
  6. Step 6: Final answer
    x = 63,926.84

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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.