Home / 143,267.70-197,648.16-89,516.10

Finding the Fourth Proportional to 143,267.70, 197,648.16 and 89,516.10

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Solution

The fourth proportional to 143,267.70, 197,648.16 and 89,516.10 is: 123,493.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267.70 : 197,648.16 = 89,516.10 : x
  2. Step 2: Convert to fraction form
    143,267.70/197,648.16 = 89,516.10/x
  3. Step 3: Cross multiply
    143,267.70x = 197,648.16 × 89,516.10
  4. Step 4: Simplify right side
    143,267.70x = 17,692,692,455.38
  5. Step 5: Solve for x
    x = 17,692,692,455.38/143,267.70
  6. Step 6: Final answer
    x = 123,493.94

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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.