Home / 140,987.46-194,562.74-76,456.67

Finding the Fourth Proportional to 140,987.46, 194,562.74 and 76,456.67

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Solution

The fourth proportional to 140,987.46, 194,562.74 and 76,456.67 is: 105,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,987.46 : 194,562.74 = 76,456.67 : x
  2. Step 2: Convert to fraction form
    140,987.46/194,562.74 = 76,456.67/x
  3. Step 3: Cross multiply
    140,987.46x = 194,562.74 × 76,456.67
  4. Step 4: Simplify right side
    140,987.46x = 14,875,619,664.49
  5. Step 5: Solve for x
    x = 14,875,619,664.49/140,987.46
  6. Step 6: Final answer
    x = 105,510.24

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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.