Home / 252,097.07-347,889.49-137,376.72

Finding the Fourth Proportional to 252,097.07, 347,889.49 and 137,376.72

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Solution

The fourth proportional to 252,097.07, 347,889.49 and 137,376.72 is: 189,577.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,097.07 : 347,889.49 = 137,376.72 : x
  2. Step 2: Convert to fraction form
    252,097.07/347,889.49 = 137,376.72/x
  3. Step 3: Cross multiply
    252,097.07x = 347,889.49 × 137,376.72
  4. Step 4: Simplify right side
    252,097.07x = 47,791,916,715.23
  5. Step 5: Solve for x
    x = 47,791,916,715.23/252,097.07
  6. Step 6: Final answer
    x = 189,577.44

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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.