Home / 142,595.20-196,786.02-82,161.16

Finding the Fourth Proportional to 142,595.20, 196,786.02 and 82,161.16

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Solution

The fourth proportional to 142,595.20, 196,786.02 and 82,161.16 is: 113,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,595.20 : 196,786.02 = 82,161.16 : x
  2. Step 2: Convert to fraction form
    142,595.20/196,786.02 = 82,161.16/x
  3. Step 3: Cross multiply
    142,595.20x = 196,786.02 × 82,161.16
  4. Step 4: Simplify right side
    142,595.20x = 16,168,167,674.98
  5. Step 5: Solve for x
    x = 16,168,167,674.98/142,595.20
  6. Step 6: Final answer
    x = 113,385.08

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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.