Home / 252,810.07-379,068.39-119,689.20

Finding the Fourth Proportional to 252,810.07, 379,068.39 and 119,689.20

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Solution

The fourth proportional to 252,810.07, 379,068.39 and 119,689.20 is: 179,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,810.07 : 379,068.39 = 119,689.20 : x
  2. Step 2: Convert to fraction form
    252,810.07/379,068.39 = 119,689.20/x
  3. Step 3: Cross multiply
    252,810.07x = 379,068.39 × 119,689.20
  4. Step 4: Simplify right side
    252,810.07x = 45,370,392,344.39
  5. Step 5: Solve for x
    x = 45,370,392,344.39/252,810.07
  6. Step 6: Final answer
    x = 179,464.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.