Home / 148,782.89-223,103.97-57,640.98

Finding the Fourth Proportional to 148,782.89, 223,103.97 and 57,640.98

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Solution

The fourth proportional to 148,782.89, 223,103.97 and 57,640.98 is: 86,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,782.89 : 223,103.97 = 57,640.98 : x
  2. Step 2: Convert to fraction form
    148,782.89/223,103.97 = 57,640.98/x
  3. Step 3: Cross multiply
    148,782.89x = 223,103.97 × 57,640.98
  4. Step 4: Simplify right side
    148,782.89x = 12,859,931,472.69
  5. Step 5: Solve for x
    x = 12,859,931,472.69/148,782.89
  6. Step 6: Final answer
    x = 86,434.21

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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.