Home / 168,402.83-252,603.54-68,539.35

Finding the Fourth Proportional to 168,402.83, 252,603.54 and 68,539.35

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Solution

The fourth proportional to 168,402.83, 252,603.54 and 68,539.35 is: 102,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,402.83 : 252,603.54 = 68,539.35 : x
  2. Step 2: Convert to fraction form
    168,402.83/252,603.54 = 68,539.35/x
  3. Step 3: Cross multiply
    168,402.83x = 252,603.54 × 68,539.35
  4. Step 4: Simplify right side
    168,402.83x = 17,313,282,439.30
  5. Step 5: Solve for x
    x = 17,313,282,439.30/168,402.83
  6. Step 6: Final answer
    x = 102,808.74

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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.