Home / 143,266.93-197,720.12-92,385.56

Finding the Fourth Proportional to 143,266.93, 197,720.12 and 92,385.56

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Solution

The fourth proportional to 143,266.93, 197,720.12 and 92,385.56 is: 127,499.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,266.93 : 197,720.12 = 92,385.56 : x
  2. Step 2: Convert to fraction form
    143,266.93/197,720.12 = 92,385.56/x
  3. Step 3: Cross multiply
    143,266.93x = 197,720.12 × 92,385.56
  4. Step 4: Simplify right side
    143,266.93x = 18,266,484,734.73
  5. Step 5: Solve for x
    x = 18,266,484,734.73/143,266.93
  6. Step 6: Final answer
    x = 127,499.66

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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.