Home / 212,856.86-293,736.98-117,361.92

Finding the Fourth Proportional to 212,856.86, 293,736.98 and 117,361.92

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Solution

The fourth proportional to 212,856.86, 293,736.98 and 117,361.92 is: 161,956.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,856.86 : 293,736.98 = 117,361.92 : x
  2. Step 2: Convert to fraction form
    212,856.86/293,736.98 = 117,361.92/x
  3. Step 3: Cross multiply
    212,856.86x = 293,736.98 × 117,361.92
  4. Step 4: Simplify right side
    212,856.86x = 34,473,535,947.80
  5. Step 5: Solve for x
    x = 34,473,535,947.80/212,856.86
  6. Step 6: Final answer
    x = 161,956.42

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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.