Home / 135,106.35-202,590.74-45,116.72

Finding the Fourth Proportional to 135,106.35, 202,590.74 and 45,116.72

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Solution

The fourth proportional to 135,106.35, 202,590.74 and 45,116.72 is: 67,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,106.35 : 202,590.74 = 45,116.72 : x
  2. Step 2: Convert to fraction form
    135,106.35/202,590.74 = 45,116.72/x
  3. Step 3: Cross multiply
    135,106.35x = 202,590.74 × 45,116.72
  4. Step 4: Simplify right side
    135,106.35x = 9,140,228,452.64
  5. Step 5: Solve for x
    x = 9,140,228,452.64/135,106.35
  6. Step 6: Final answer
    x = 67,652.10

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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.