Home / 126,252.90-174,155.54-80,914.77

Finding the Fourth Proportional to 126,252.90, 174,155.54 and 80,914.77

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Solution

The fourth proportional to 126,252.90, 174,155.54 and 80,914.77 is: 111,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.90 : 174,155.54 = 80,914.77 : x
  2. Step 2: Convert to fraction form
    126,252.90/174,155.54 = 80,914.77/x
  3. Step 3: Cross multiply
    126,252.90x = 174,155.54 × 80,914.77
  4. Step 4: Simplify right side
    126,252.90x = 14,091,755,058.75
  5. Step 5: Solve for x
    x = 14,091,755,058.75/126,252.90
  6. Step 6: Final answer
    x = 111,615.30

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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.