Home / 126,739.68-174,894-75,753.60

Finding the Fourth Proportional to 126,739.68, 174,894 and 75,753.60

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Solution

The fourth proportional to 126,739.68, 174,894 and 75,753.60 is: 104,535.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,739.68 : 174,894 = 75,753.60 : x
  2. Step 2: Convert to fraction form
    126,739.68/174,894 = 75,753.60/x
  3. Step 3: Cross multiply
    126,739.68x = 174,894 × 75,753.60
  4. Step 4: Simplify right side
    126,739.68x = 13,248,850,118.40
  5. Step 5: Solve for x
    x = 13,248,850,118.40/126,739.68
  6. Step 6: Final answer
    x = 104,535.93

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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.