Home / 90,234.82-124,522.54-49,947.72

Finding the Fourth Proportional to 90,234.82, 124,522.54 and 49,947.72

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Solution

The fourth proportional to 90,234.82, 124,522.54 and 49,947.72 is: 68,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,234.82 : 124,522.54 = 49,947.72 : x
  2. Step 2: Convert to fraction form
    90,234.82/124,522.54 = 49,947.72/x
  3. Step 3: Cross multiply
    90,234.82x = 124,522.54 × 49,947.72
  4. Step 4: Simplify right side
    90,234.82x = 6,219,616,339.00
  5. Step 5: Solve for x
    x = 6,219,616,339.00/90,234.82
  6. Step 6: Final answer
    x = 68,927.01

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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.