Home / 90,994.49-136,492.07-27,814.35

Finding the Fourth Proportional to 90,994.49, 136,492.07 and 27,814.35

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Solution

The fourth proportional to 90,994.49, 136,492.07 and 27,814.35 is: 41,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,994.49 : 136,492.07 = 27,814.35 : x
  2. Step 2: Convert to fraction form
    90,994.49/136,492.07 = 27,814.35/x
  3. Step 3: Cross multiply
    90,994.49x = 136,492.07 × 27,814.35
  4. Step 4: Simplify right side
    90,994.49x = 3,796,438,579.98
  5. Step 5: Solve for x
    x = 3,796,438,579.98/90,994.49
  6. Step 6: Final answer
    x = 41,721.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.