Home / 90,214.11-124,493.73-49,927.89

Finding the Fourth Proportional to 90,214.11, 124,493.73 and 49,927.89

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Solution

The fourth proportional to 90,214.11, 124,493.73 and 49,927.89 is: 68,899.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,214.11 : 124,493.73 = 49,927.89 : x
  2. Step 2: Convert to fraction form
    90,214.11/124,493.73 = 49,927.89/x
  3. Step 3: Cross multiply
    90,214.11x = 124,493.73 × 49,927.89
  4. Step 4: Simplify right side
    90,214.11x = 6,215,709,257.13
  5. Step 5: Solve for x
    x = 6,215,709,257.13/90,214.11
  6. Step 6: Final answer
    x = 68,899.52

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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.