Home / 126,744.05-174,926-72,295.95

Finding the Fourth Proportional to 126,744.05, 174,926 and 72,295.95

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Solution

The fourth proportional to 126,744.05, 174,926 and 72,295.95 is: 99,779.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,744.05 : 174,926 = 72,295.95 : x
  2. Step 2: Convert to fraction form
    126,744.05/174,926 = 72,295.95/x
  3. Step 3: Cross multiply
    126,744.05x = 174,926 × 72,295.95
  4. Step 4: Simplify right side
    126,744.05x = 12,646,441,349.70
  5. Step 5: Solve for x
    x = 12,646,441,349.70/126,744.05
  6. Step 6: Final answer
    x = 99,779.37

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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.