Home / 105,820.26-146,031.50-58,074.38

Finding the Fourth Proportional to 105,820.26, 146,031.50 and 58,074.38

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Solution

The fourth proportional to 105,820.26, 146,031.50 and 58,074.38 is: 80,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,820.26 : 146,031.50 = 58,074.38 : x
  2. Step 2: Convert to fraction form
    105,820.26/146,031.50 = 58,074.38/x
  3. Step 3: Cross multiply
    105,820.26x = 146,031.50 × 58,074.38
  4. Step 4: Simplify right side
    105,820.26x = 8,480,688,822.97
  5. Step 5: Solve for x
    x = 8,480,688,822.97/105,820.26
  6. Step 6: Final answer
    x = 80,142.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.