Home / 126,695.22-174,812.01-80,772.32

Finding the Fourth Proportional to 126,695.22, 174,812.01 and 80,772.32

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Solution

The fourth proportional to 126,695.22, 174,812.01 and 80,772.32 is: 111,448.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,695.22 : 174,812.01 = 80,772.32 : x
  2. Step 2: Convert to fraction form
    126,695.22/174,812.01 = 80,772.32/x
  3. Step 3: Cross multiply
    126,695.22x = 174,812.01 × 80,772.32
  4. Step 4: Simplify right side
    126,695.22x = 14,119,970,737.50
  5. Step 5: Solve for x
    x = 14,119,970,737.50/126,695.22
  6. Step 6: Final answer
    x = 111,448.33

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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.