Home / 218,837.64-301,996-118,235.64

Finding the Fourth Proportional to 218,837.64, 301,996 and 118,235.64

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Solution

The fourth proportional to 218,837.64, 301,996 and 118,235.64 is: 163,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,837.64 : 301,996 = 118,235.64 : x
  2. Step 2: Convert to fraction form
    218,837.64/301,996 = 118,235.64/x
  3. Step 3: Cross multiply
    218,837.64x = 301,996 × 118,235.64
  4. Step 4: Simplify right side
    218,837.64x = 35,706,690,337.44
  5. Step 5: Solve for x
    x = 35,706,690,337.44/218,837.64
  6. Step 6: Final answer
    x = 163,165.21

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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.