Home / 142,701.92-197,061.02-106,829.66

Finding the Fourth Proportional to 142,701.92, 197,061.02 and 106,829.66

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Solution

The fourth proportional to 142,701.92, 197,061.02 and 106,829.66 is: 147,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,701.92 : 197,061.02 = 106,829.66 : x
  2. Step 2: Convert to fraction form
    142,701.92/197,061.02 = 106,829.66/x
  3. Step 3: Cross multiply
    142,701.92x = 197,061.02 × 106,829.66
  4. Step 4: Simplify right side
    142,701.92x = 21,051,961,765.85
  5. Step 5: Solve for x
    x = 21,051,961,765.85/142,701.92
  6. Step 6: Final answer
    x = 147,524.03

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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.