Home / 106,381.79-159,573.21-31,503.35

Finding the Fourth Proportional to 106,381.79, 159,573.21 and 31,503.35

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Solution

The fourth proportional to 106,381.79, 159,573.21 and 31,503.35 is: 47,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.79 : 159,573.21 = 31,503.35 : x
  2. Step 2: Convert to fraction form
    106,381.79/159,573.21 = 31,503.35/x
  3. Step 3: Cross multiply
    106,381.79x = 159,573.21 × 31,503.35
  4. Step 4: Simplify right side
    106,381.79x = 5,027,090,685.25
  5. Step 5: Solve for x
    x = 5,027,090,685.25/106,381.79
  6. Step 6: Final answer
    x = 47,255.18

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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.