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Finding the Fourth Proportional to 143,435.00, 197,935.04 and 79,776.90

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Solution

The fourth proportional to 143,435.00, 197,935.04 and 79,776.90 is: 110,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,435.00 : 197,935.04 = 79,776.90 : x
  2. Step 2: Convert to fraction form
    143,435.00/197,935.04 = 79,776.90/x
  3. Step 3: Cross multiply
    143,435.00x = 197,935.04 × 79,776.90
  4. Step 4: Simplify right side
    143,435.00x = 15,790,644,092.02
  5. Step 5: Solve for x
    x = 15,790,644,092.02/143,435.00
  6. Step 6: Final answer
    x = 110,089.20

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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.