Home / 140,386.44-193,732.82-76,724.22

Finding the Fourth Proportional to 140,386.44, 193,732.82 and 76,724.22

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Solution

The fourth proportional to 140,386.44, 193,732.82 and 76,724.22 is: 105,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,386.44 : 193,732.82 = 76,724.22 : x
  2. Step 2: Convert to fraction form
    140,386.44/193,732.82 = 76,724.22/x
  3. Step 3: Cross multiply
    140,386.44x = 193,732.82 × 76,724.22
  4. Step 4: Simplify right side
    140,386.44x = 14,863,999,119.28
  5. Step 5: Solve for x
    x = 14,863,999,119.28/140,386.44
  6. Step 6: Final answer
    x = 105,879.17

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1.5x scale

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.