Home / 137,821.80-190,246.68-134,029.76

Finding the Fourth Proportional to 137,821.80, 190,246.68 and 134,029.76

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Solution

The fourth proportional to 137,821.80, 190,246.68 and 134,029.76 is: 185,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,821.80 : 190,246.68 = 134,029.76 : x
  2. Step 2: Convert to fraction form
    137,821.80/190,246.68 = 134,029.76/x
  3. Step 3: Cross multiply
    137,821.80x = 190,246.68 × 134,029.76
  4. Step 4: Simplify right side
    137,821.80x = 25,498,716,861.20
  5. Step 5: Solve for x
    x = 25,498,716,861.20/137,821.80
  6. Step 6: Final answer
    x = 185,012.22

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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.