Home / 90,341.33-135,382.13-50,814.95

Finding the Fourth Proportional to 90,341.33, 135,382.13 and 50,814.95

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Solution

The fourth proportional to 90,341.33, 135,382.13 and 50,814.95 is: 76,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,341.33 : 135,382.13 = 50,814.95 : x
  2. Step 2: Convert to fraction form
    90,341.33/135,382.13 = 50,814.95/x
  3. Step 3: Cross multiply
    90,341.33x = 135,382.13 × 50,814.95
  4. Step 4: Simplify right side
    90,341.33x = 6,879,435,712.25
  5. Step 5: Solve for x
    x = 6,879,435,712.25/90,341.33
  6. Step 6: Final answer
    x = 76,149.38

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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.