Home / 147,317.28-203,297.88-80,249.28

Finding the Fourth Proportional to 147,317.28, 203,297.88 and 80,249.28

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Solution

The fourth proportional to 147,317.28, 203,297.88 and 80,249.28 is: 110,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,317.28 : 203,297.88 = 80,249.28 : x
  2. Step 2: Convert to fraction form
    147,317.28/203,297.88 = 80,249.28/x
  3. Step 3: Cross multiply
    147,317.28x = 203,297.88 × 80,249.28
  4. Step 4: Simplify right side
    147,317.28x = 16,314,508,495.53
  5. Step 5: Solve for x
    x = 16,314,508,495.53/147,317.28
  6. Step 6: Final answer
    x = 110,744.02

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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.