Home / 142,811.24-197,057.22-82,384.16

Finding the Fourth Proportional to 142,811.24, 197,057.22 and 82,384.16

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Solution

The fourth proportional to 142,811.24, 197,057.22 and 82,384.16 is: 113,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,811.24 : 197,057.22 = 82,384.16 : x
  2. Step 2: Convert to fraction form
    142,811.24/197,057.22 = 82,384.16/x
  3. Step 3: Cross multiply
    142,811.24x = 197,057.22 × 82,384.16
  4. Step 4: Simplify right side
    142,811.24x = 16,234,393,541.64
  5. Step 5: Solve for x
    x = 16,234,393,541.64/142,811.24
  6. Step 6: Final answer
    x = 113,677.28

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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.