Home / 106,749.75-160,152.49-31,869.91

Finding the Fourth Proportional to 106,749.75, 160,152.49 and 31,869.91

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Solution

The fourth proportional to 106,749.75, 160,152.49 and 31,869.91 is: 47,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,749.75 : 160,152.49 = 31,869.91 : x
  2. Step 2: Convert to fraction form
    106,749.75/160,152.49 = 31,869.91/x
  3. Step 3: Cross multiply
    106,749.75x = 160,152.49 × 31,869.91
  4. Step 4: Simplify right side
    106,749.75x = 5,104,044,781.75
  5. Step 5: Solve for x
    x = 5,104,044,781.75/106,749.75
  6. Step 6: Final answer
    x = 47,813.18

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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.