Home / 135,065.43-202,590.85-68,503.83

Finding the Fourth Proportional to 135,065.43, 202,590.85 and 68,503.83

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Solution

The fourth proportional to 135,065.43, 202,590.85 and 68,503.83 is: 102,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,065.43 : 202,590.85 = 68,503.83 : x
  2. Step 2: Convert to fraction form
    135,065.43/202,590.85 = 68,503.83/x
  3. Step 3: Cross multiply
    135,065.43x = 202,590.85 × 68,503.83
  4. Step 4: Simplify right side
    135,065.43x = 13,878,249,862.12
  5. Step 5: Solve for x
    x = 13,878,249,862.12/135,065.43
  6. Step 6: Final answer
    x = 102,752.05

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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.