Home / 105,618.34-145,759.14-60,310.87

Finding the Fourth Proportional to 105,618.34, 145,759.14 and 60,310.87

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Solution

The fourth proportional to 105,618.34, 145,759.14 and 60,310.87 is: 83,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,618.34 : 145,759.14 = 60,310.87 : x
  2. Step 2: Convert to fraction form
    105,618.34/145,759.14 = 60,310.87/x
  3. Step 3: Cross multiply
    105,618.34x = 145,759.14 × 60,310.87
  4. Step 4: Simplify right side
    105,618.34x = 8,790,860,543.85
  5. Step 5: Solve for x
    x = 8,790,860,543.85/105,618.34
  6. Step 6: Final answer
    x = 83,232.33

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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.