Home / 209,738.84-314,021.98-113,330.64

Finding the Fourth Proportional to 209,738.84, 314,021.98 and 113,330.64

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Solution

The fourth proportional to 209,738.84, 314,021.98 and 113,330.64 is: 169,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,738.84 : 314,021.98 = 113,330.64 : x
  2. Step 2: Convert to fraction form
    209,738.84/314,021.98 = 113,330.64/x
  3. Step 3: Cross multiply
    209,738.84x = 314,021.98 × 113,330.64
  4. Step 4: Simplify right side
    209,738.84x = 35,588,311,967.47
  5. Step 5: Solve for x
    x = 35,588,311,967.47/209,738.84
  6. Step 6: Final answer
    x = 169,679.17

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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.