Home / 143,486.13-197,957.37-89,750.73

Finding the Fourth Proportional to 143,486.13, 197,957.37 and 89,750.73

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Solution

The fourth proportional to 143,486.13, 197,957.37 and 89,750.73 is: 123,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,486.13 : 197,957.37 = 89,750.73 : x
  2. Step 2: Convert to fraction form
    143,486.13/197,957.37 = 89,750.73/x
  3. Step 3: Cross multiply
    143,486.13x = 197,957.37 × 89,750.73
  4. Step 4: Simplify right side
    143,486.13x = 17,766,818,466.38
  5. Step 5: Solve for x
    x = 17,766,818,466.38/143,486.13
  6. Step 6: Final answer
    x = 123,822.55

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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.