Home / 212,804.28-293,671.89-117,314.37

Finding the Fourth Proportional to 212,804.28, 293,671.89 and 117,314.37

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Solution

The fourth proportional to 212,804.28, 293,671.89 and 117,314.37 is: 161,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,804.28 : 293,671.89 = 117,314.37 : x
  2. Step 2: Convert to fraction form
    212,804.28/293,671.89 = 117,314.37/x
  3. Step 3: Cross multiply
    212,804.28x = 293,671.89 × 117,314.37
  4. Step 4: Simplify right side
    212,804.28x = 34,451,932,762.06
  5. Step 5: Solve for x
    x = 34,451,932,762.06/212,804.28
  6. Step 6: Final answer
    x = 161,894.92

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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.