Home / 105,397.87-145,445.41-60,090.44

Finding the Fourth Proportional to 105,397.87, 145,445.41 and 60,090.44

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Solution

The fourth proportional to 105,397.87, 145,445.41 and 60,090.44 is: 82,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,397.87 : 145,445.41 = 60,090.44 : x
  2. Step 2: Convert to fraction form
    105,397.87/145,445.41 = 60,090.44/x
  3. Step 3: Cross multiply
    105,397.87x = 145,445.41 × 60,090.44
  4. Step 4: Simplify right side
    105,397.87x = 8,739,879,377.99
  5. Step 5: Solve for x
    x = 8,739,879,377.99/105,397.87
  6. Step 6: Final answer
    x = 82,922.73

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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.