Home / 200,311.87-276,430.43-109,673.59

Finding the Fourth Proportional to 200,311.87, 276,430.43 and 109,673.59

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Solution

The fourth proportional to 200,311.87, 276,430.43 and 109,673.59 is: 151,349.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,311.87 : 276,430.43 = 109,673.59 : x
  2. Step 2: Convert to fraction form
    200,311.87/276,430.43 = 109,673.59/x
  3. Step 3: Cross multiply
    200,311.87x = 276,430.43 × 109,673.59
  4. Step 4: Simplify right side
    200,311.87x = 30,317,117,643.34
  5. Step 5: Solve for x
    x = 30,317,117,643.34/200,311.87
  6. Step 6: Final answer
    x = 151,349.58

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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.