Home / 142,895.84-197,195.92-79,232

Finding the Fourth Proportional to 142,895.84, 197,195.92 and 79,232

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Solution

The fourth proportional to 142,895.84, 197,195.92 and 79,232 is: 109,339.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,895.84 : 197,195.92 = 79,232 : x
  2. Step 2: Convert to fraction form
    142,895.84/197,195.92 = 79,232/x
  3. Step 3: Cross multiply
    142,895.84x = 197,195.92 × 79,232
  4. Step 4: Simplify right side
    142,895.84x = 15,624,227,133.44
  5. Step 5: Solve for x
    x = 15,624,227,133.44/142,895.84
  6. Step 6: Final answer
    x = 109,339.97

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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.