Home / 175,288.40-262,743-69,991.64

Finding the Fourth Proportional to 175,288.40, 262,743 and 69,991.64

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Solution

The fourth proportional to 175,288.40, 262,743 and 69,991.64 is: 104,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,288.40 : 262,743 = 69,991.64 : x
  2. Step 2: Convert to fraction form
    175,288.40/262,743 = 69,991.64/x
  3. Step 3: Cross multiply
    175,288.40x = 262,743 × 69,991.64
  4. Step 4: Simplify right side
    175,288.40x = 18,389,813,468.52
  5. Step 5: Solve for x
    x = 18,389,813,468.52/175,288.40
  6. Step 6: Final answer
    x = 104,911.75

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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.