Home / 126,598.86-174,750.38-72,905.27

Finding the Fourth Proportional to 126,598.86, 174,750.38 and 72,905.27

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Solution

The fourth proportional to 126,598.86, 174,750.38 and 72,905.27 is: 100,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,598.86 : 174,750.38 = 72,905.27 : x
  2. Step 2: Convert to fraction form
    126,598.86/174,750.38 = 72,905.27/x
  3. Step 3: Cross multiply
    126,598.86x = 174,750.38 × 72,905.27
  4. Step 4: Simplify right side
    126,598.86x = 12,740,222,398.22
  5. Step 5: Solve for x
    x = 12,740,222,398.22/126,598.86
  6. Step 6: Final answer
    x = 100,634.57

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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.