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Finding the Fourth Proportional to 250,031.89, 375,161.69 and 105,977.19

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Solution

The fourth proportional to 250,031.89, 375,161.69 and 105,977.19 is: 159,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,031.89 : 375,161.69 = 105,977.19 : x
  2. Step 2: Convert to fraction form
    250,031.89/375,161.69 = 105,977.19/x
  3. Step 3: Cross multiply
    250,031.89x = 375,161.69 × 105,977.19
  4. Step 4: Simplify right side
    250,031.89x = 39,758,580,965.31
  5. Step 5: Solve for x
    x = 39,758,580,965.31/250,031.89
  6. Step 6: Final answer
    x = 159,014.04

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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.