Home / 126,976.08-190,503.60-52,102.31

Finding the Fourth Proportional to 126,976.08, 190,503.60 and 52,102.31

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Solution

The fourth proportional to 126,976.08, 190,503.60 and 52,102.31 is: 78,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.08 : 190,503.60 = 52,102.31 : x
  2. Step 2: Convert to fraction form
    126,976.08/190,503.60 = 52,102.31/x
  3. Step 3: Cross multiply
    126,976.08x = 190,503.60 × 52,102.31
  4. Step 4: Simplify right side
    126,976.08x = 9,925,677,623.32
  5. Step 5: Solve for x
    x = 9,925,677,623.32/126,976.08
  6. Step 6: Final answer
    x = 78,169.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.