Home / 252,891.23-348,979.57-138,173.84

Finding the Fourth Proportional to 252,891.23, 348,979.57 and 138,173.84

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Solution

The fourth proportional to 252,891.23, 348,979.57 and 138,173.84 is: 190,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,891.23 : 348,979.57 = 138,173.84 : x
  2. Step 2: Convert to fraction form
    252,891.23/348,979.57 = 138,173.84/x
  3. Step 3: Cross multiply
    252,891.23x = 348,979.57 × 138,173.84
  4. Step 4: Simplify right side
    252,891.23x = 48,219,847,795.46
  5. Step 5: Solve for x
    x = 48,219,847,795.46/252,891.23
  6. Step 6: Final answer
    x = 190,674.26

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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.