Home / 188,799.72-260,548.56-102,764.40

Finding the Fourth Proportional to 188,799.72, 260,548.56 and 102,764.40

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Solution

The fourth proportional to 188,799.72, 260,548.56 and 102,764.40 is: 141,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,799.72 : 260,548.56 = 102,764.40 : x
  2. Step 2: Convert to fraction form
    188,799.72/260,548.56 = 102,764.40/x
  3. Step 3: Cross multiply
    188,799.72x = 260,548.56 × 102,764.40
  4. Step 4: Simplify right side
    188,799.72x = 26,775,116,439.26
  5. Step 5: Solve for x
    x = 26,775,116,439.26/188,799.72
  6. Step 6: Final answer
    x = 141,817.56

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1.5x scale

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.