Home / 243,985.64-336,623.46-136,538.60

Finding the Fourth Proportional to 243,985.64, 336,623.46 and 136,538.60

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Solution

The fourth proportional to 243,985.64, 336,623.46 and 136,538.60 is: 188,380.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,985.64 : 336,623.46 = 136,538.60 : x
  2. Step 2: Convert to fraction form
    243,985.64/336,623.46 = 136,538.60/x
  3. Step 3: Cross multiply
    243,985.64x = 336,623.46 × 136,538.60
  4. Step 4: Simplify right side
    243,985.64x = 45,962,095,955.56
  5. Step 5: Solve for x
    x = 45,962,095,955.56/243,985.64
  6. Step 6: Final answer
    x = 188,380.33

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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.