Home / 143,011.24-197,384.23-82,591.72

Finding the Fourth Proportional to 143,011.24, 197,384.23 and 82,591.72

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Solution

The fourth proportional to 143,011.24, 197,384.23 and 82,591.72 is: 113,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,011.24 : 197,384.23 = 82,591.72 : x
  2. Step 2: Convert to fraction form
    143,011.24/197,384.23 = 82,591.72/x
  3. Step 3: Cross multiply
    143,011.24x = 197,384.23 × 82,591.72
  4. Step 4: Simplify right side
    143,011.24x = 16,302,303,056.58
  5. Step 5: Solve for x
    x = 16,302,303,056.58/143,011.24
  6. Step 6: Final answer
    x = 113,993.16

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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.