Home / 109,716.71-164,581.47-30,837.08

Finding the Fourth Proportional to 109,716.71, 164,581.47 and 30,837.08

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Solution

The fourth proportional to 109,716.71, 164,581.47 and 30,837.08 is: 46,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716.71 : 164,581.47 = 30,837.08 : x
  2. Step 2: Convert to fraction form
    109,716.71/164,581.47 = 30,837.08/x
  3. Step 3: Cross multiply
    109,716.71x = 164,581.47 × 30,837.08
  4. Step 4: Simplify right side
    109,716.71x = 5,075,211,956.91
  5. Step 5: Solve for x
    x = 5,075,211,956.91/109,716.71
  6. Step 6: Final answer
    x = 46,257.42

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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.