Home / 90,102.24-124,338.91-49,814.97

Finding the Fourth Proportional to 90,102.24, 124,338.91 and 49,814.97

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Solution

The fourth proportional to 90,102.24, 124,338.91 and 49,814.97 is: 68,743.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,102.24 : 124,338.91 = 49,814.97 : x
  2. Step 2: Convert to fraction form
    90,102.24/124,338.91 = 49,814.97/x
  3. Step 3: Cross multiply
    90,102.24x = 124,338.91 × 49,814.97
  4. Step 4: Simplify right side
    90,102.24x = 6,193,938,946.95
  5. Step 5: Solve for x
    x = 6,193,938,946.95/90,102.24
  6. Step 6: Final answer
    x = 68,743.45

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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.