Home / 137,927.20-190,331.76-84,195.04

Finding the Fourth Proportional to 137,927.20, 190,331.76 and 84,195.04

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Solution

The fourth proportional to 137,927.20, 190,331.76 and 84,195.04 is: 116,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,927.20 : 190,331.76 = 84,195.04 : x
  2. Step 2: Convert to fraction form
    137,927.20/190,331.76 = 84,195.04/x
  3. Step 3: Cross multiply
    137,927.20x = 190,331.76 × 84,195.04
  4. Step 4: Simplify right side
    137,927.20x = 16,024,990,146.47
  5. Step 5: Solve for x
    x = 16,024,990,146.47/137,927.20
  6. Step 6: Final answer
    x = 116,184.41

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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.