Home / 174,621.10-261,968.10-99,679.90

Finding the Fourth Proportional to 174,621.10, 261,968.10 and 99,679.90

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Solution

The fourth proportional to 174,621.10, 261,968.10 and 99,679.90 is: 149,540.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,621.10 : 261,968.10 = 99,679.90 : x
  2. Step 2: Convert to fraction form
    174,621.10/261,968.10 = 99,679.90/x
  3. Step 3: Cross multiply
    174,621.10x = 261,968.10 × 99,679.90
  4. Step 4: Simplify right side
    174,621.10x = 26,112,954,011.19
  5. Step 5: Solve for x
    x = 26,112,954,011.19/174,621.10
  6. Step 6: Final answer
    x = 149,540.66

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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.