Home / 90,196.10-124,470.76-49,911.56

Finding the Fourth Proportional to 90,196.10, 124,470.76 and 49,911.56

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Solution

The fourth proportional to 90,196.10, 124,470.76 and 49,911.56 is: 68,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,196.10 : 124,470.76 = 49,911.56 : x
  2. Step 2: Convert to fraction form
    90,196.10/124,470.76 = 49,911.56/x
  3. Step 3: Cross multiply
    90,196.10x = 124,470.76 × 49,911.56
  4. Step 4: Simplify right side
    90,196.10x = 6,212,529,805.99
  5. Step 5: Solve for x
    x = 6,212,529,805.99/90,196.10
  6. Step 6: Final answer
    x = 68,878.03

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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.