Home / 142,948.02-197,277.21-82,529.73

Finding the Fourth Proportional to 142,948.02, 197,277.21 and 82,529.73

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Solution

The fourth proportional to 142,948.02, 197,277.21 and 82,529.73 is: 113,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,948.02 : 197,277.21 = 82,529.73 : x
  2. Step 2: Convert to fraction form
    142,948.02/197,277.21 = 82,529.73/x
  3. Step 3: Cross multiply
    142,948.02x = 197,277.21 × 82,529.73
  4. Step 4: Simplify right side
    142,948.02x = 16,281,234,876.45
  5. Step 5: Solve for x
    x = 16,281,234,876.45/142,948.02
  6. Step 6: Final answer
    x = 113,896.19

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1.5x scale

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.