Home / 147,530.62-203,573.01-83,867.05

Finding the Fourth Proportional to 147,530.62, 203,573.01 and 83,867.05

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Solution

The fourth proportional to 147,530.62, 203,573.01 and 83,867.05 is: 115,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,530.62 : 203,573.01 = 83,867.05 : x
  2. Step 2: Convert to fraction form
    147,530.62/203,573.01 = 83,867.05/x
  3. Step 3: Cross multiply
    147,530.62x = 203,573.01 × 83,867.05
  4. Step 4: Simplify right side
    147,530.62x = 17,073,067,808.32
  5. Step 5: Solve for x
    x = 17,073,067,808.32/147,530.62
  6. Step 6: Final answer
    x = 115,725.59

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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.