Home / 140,134.46-193,389.66-76,476.36

Finding the Fourth Proportional to 140,134.46, 193,389.66 and 76,476.36

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Solution

The fourth proportional to 140,134.46, 193,389.66 and 76,476.36 is: 105,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,134.46 : 193,389.66 = 76,476.36 : x
  2. Step 2: Convert to fraction form
    140,134.46/193,389.66 = 76,476.36/x
  3. Step 3: Cross multiply
    140,134.46x = 193,389.66 × 76,476.36
  4. Step 4: Simplify right side
    140,134.46x = 14,789,737,258.44
  5. Step 5: Solve for x
    x = 14,789,737,258.44/140,134.46
  6. Step 6: Final answer
    x = 105,539.62

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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.