Home / 145,175.86-200,324.10-84,732.64

Finding the Fourth Proportional to 145,175.86, 200,324.10 and 84,732.64

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Solution

The fourth proportional to 145,175.86, 200,324.10 and 84,732.64 is: 116,920.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175.86 : 200,324.10 = 84,732.64 : x
  2. Step 2: Convert to fraction form
    145,175.86/200,324.10 = 84,732.64/x
  3. Step 3: Cross multiply
    145,175.86x = 200,324.10 × 84,732.64
  4. Step 4: Simplify right side
    145,175.86x = 16,973,988,847.00
  5. Step 5: Solve for x
    x = 16,973,988,847.00/145,175.86
  6. Step 6: Final answer
    x = 116,920.19

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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.