Home / 140,131.97-193,386.23-76,473.87

Finding the Fourth Proportional to 140,131.97, 193,386.23 and 76,473.87

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Solution

The fourth proportional to 140,131.97, 193,386.23 and 76,473.87 is: 105,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,131.97 : 193,386.23 = 76,473.87 : x
  2. Step 2: Convert to fraction form
    140,131.97/193,386.23 = 76,473.87/x
  3. Step 3: Cross multiply
    140,131.97x = 193,386.23 × 76,473.87
  4. Step 4: Simplify right side
    140,131.97x = 14,788,993,030.44
  5. Step 5: Solve for x
    x = 14,788,993,030.44/140,131.97
  6. Step 6: Final answer
    x = 105,536.19

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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.