Home / 90,398.18-124,736.40-50,111.94

Finding the Fourth Proportional to 90,398.18, 124,736.40 and 50,111.94

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Solution

The fourth proportional to 90,398.18, 124,736.40 and 50,111.94 is: 69,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.18 : 124,736.40 = 50,111.94 : x
  2. Step 2: Convert to fraction form
    90,398.18/124,736.40 = 50,111.94/x
  3. Step 3: Cross multiply
    90,398.18x = 124,736.40 × 50,111.94
  4. Step 4: Simplify right side
    90,398.18x = 6,250,782,992.62
  5. Step 5: Solve for x
    x = 6,250,782,992.62/90,398.18
  6. Step 6: Final answer
    x = 69,147.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.