Home / 108,923.20-150,314.04-61,175.32

Finding the Fourth Proportional to 108,923.20, 150,314.04 and 61,175.32

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Solution

The fourth proportional to 108,923.20, 150,314.04 and 61,175.32 is: 84,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923.20 : 150,314.04 = 61,175.32 : x
  2. Step 2: Convert to fraction form
    108,923.20/150,314.04 = 61,175.32/x
  3. Step 3: Cross multiply
    108,923.20x = 150,314.04 × 61,175.32
  4. Step 4: Simplify right side
    108,923.20x = 9,195,509,497.49
  5. Step 5: Solve for x
    x = 9,195,509,497.49/108,923.20
  6. Step 6: Final answer
    x = 84,421.96

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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.