Home / 212,185.16-292,816.58-116,697.96

Finding the Fourth Proportional to 212,185.16, 292,816.58 and 116,697.96

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Solution

The fourth proportional to 212,185.16, 292,816.58 and 116,697.96 is: 161,043.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,185.16 : 292,816.58 = 116,697.96 : x
  2. Step 2: Convert to fraction form
    212,185.16/292,816.58 = 116,697.96/x
  3. Step 3: Cross multiply
    212,185.16x = 292,816.58 × 116,697.96
  4. Step 4: Simplify right side
    212,185.16x = 34,171,097,540.18
  5. Step 5: Solve for x
    x = 34,171,097,540.18/212,185.16
  6. Step 6: Final answer
    x = 161,043.77

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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.