Home / 90,841.35-136,262.07-40,863.06

Finding the Fourth Proportional to 90,841.35, 136,262.07 and 40,863.06

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Solution

The fourth proportional to 90,841.35, 136,262.07 and 40,863.06 is: 61,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,841.35 : 136,262.07 = 40,863.06 : x
  2. Step 2: Convert to fraction form
    90,841.35/136,262.07 = 40,863.06/x
  3. Step 3: Cross multiply
    90,841.35x = 136,262.07 × 40,863.06
  4. Step 4: Simplify right side
    90,841.35x = 5,568,084,744.53
  5. Step 5: Solve for x
    x = 5,568,084,744.53/90,841.35
  6. Step 6: Final answer
    x = 61,294.60

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1.5x scale

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.