Home / 101,309.94-151,964.99-26,430

Finding the Fourth Proportional to 101,309.94, 151,964.99 and 26,430

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Solution

The fourth proportional to 101,309.94, 151,964.99 and 26,430 is: 39,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,309.94 : 151,964.99 = 26,430 : x
  2. Step 2: Convert to fraction form
    101,309.94/151,964.99 = 26,430/x
  3. Step 3: Cross multiply
    101,309.94x = 151,964.99 × 26,430
  4. Step 4: Simplify right side
    101,309.94x = 4,016,434,685.70
  5. Step 5: Solve for x
    x = 4,016,434,685.70/101,309.94
  6. Step 6: Final answer
    x = 39,645.02

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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.