Home / 140,762.79-194,252.36-76,231.83

Finding the Fourth Proportional to 140,762.79, 194,252.36 and 76,231.83

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Solution

The fourth proportional to 140,762.79, 194,252.36 and 76,231.83 is: 105,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,762.79 : 194,252.36 = 76,231.83 : x
  2. Step 2: Convert to fraction form
    140,762.79/194,252.36 = 76,231.83/x
  3. Step 3: Cross multiply
    140,762.79x = 194,252.36 × 76,231.83
  4. Step 4: Simplify right side
    140,762.79x = 14,808,211,532.20
  5. Step 5: Solve for x
    x = 14,808,211,532.20/140,762.79
  6. Step 6: Final answer
    x = 105,199.76

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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.