Home / 148,718.70-223,406.10-143,141.85

Finding the Fourth Proportional to 148,718.70, 223,406.10 and 143,141.85

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Solution

The fourth proportional to 148,718.70, 223,406.10 and 143,141.85 is: 215,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,718.70 : 223,406.10 = 143,141.85 : x
  2. Step 2: Convert to fraction form
    148,718.70/223,406.10 = 143,141.85/x
  3. Step 3: Cross multiply
    148,718.70x = 223,406.10 × 143,141.85
  4. Step 4: Simplify right side
    148,718.70x = 31,978,762,455.29
  5. Step 5: Solve for x
    x = 31,978,762,455.29/148,718.70
  6. Step 6: Final answer
    x = 215,028.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.