Home / 143,125.67-197,522.34-79,464.53

Finding the Fourth Proportional to 143,125.67, 197,522.34 and 79,464.53

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Solution

The fourth proportional to 143,125.67, 197,522.34 and 79,464.53 is: 109,666.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,125.67 : 197,522.34 = 79,464.53 : x
  2. Step 2: Convert to fraction form
    143,125.67/197,522.34 = 79,464.53/x
  3. Step 3: Cross multiply
    143,125.67x = 197,522.34 × 79,464.53
  4. Step 4: Simplify right side
    143,125.67x = 15,696,019,912.60
  5. Step 5: Solve for x
    x = 15,696,019,912.60/143,125.67
  6. Step 6: Final answer
    x = 109,666.00

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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.