Home / 143,433.64-197,935.61-79,770.07

Finding the Fourth Proportional to 143,433.64, 197,935.61 and 79,770.07

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Solution

The fourth proportional to 143,433.64, 197,935.61 and 79,770.07 is: 110,081.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,433.64 : 197,935.61 = 79,770.07 : x
  2. Step 2: Convert to fraction form
    143,433.64/197,935.61 = 79,770.07/x
  3. Step 3: Cross multiply
    143,433.64x = 197,935.61 × 79,770.07
  4. Step 4: Simplify right side
    143,433.64x = 15,789,337,465.19
  5. Step 5: Solve for x
    x = 15,789,337,465.19/143,433.64
  6. Step 6: Final answer
    x = 110,081.13

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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.