Home / 90,230.63-135,345.94-27,901.13

Finding the Fourth Proportional to 90,230.63, 135,345.94 and 27,901.13

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Solution

The fourth proportional to 90,230.63, 135,345.94 and 27,901.13 is: 41,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,230.63 : 135,345.94 = 27,901.13 : x
  2. Step 2: Convert to fraction form
    90,230.63/135,345.94 = 27,901.13/x
  3. Step 3: Cross multiply
    90,230.63x = 135,345.94 × 27,901.13
  4. Step 4: Simplify right side
    90,230.63x = 3,776,303,920.43
  5. Step 5: Solve for x
    x = 3,776,303,920.43/90,230.63
  6. Step 6: Final answer
    x = 41,851.69

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Similar ratio
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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.