Home / 147,496.35-203,544.90-80,428.35

Finding the Fourth Proportional to 147,496.35, 203,544.90 and 80,428.35

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Solution

The fourth proportional to 147,496.35, 203,544.90 and 80,428.35 is: 110,991.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496.35 : 203,544.90 = 80,428.35 : x
  2. Step 2: Convert to fraction form
    147,496.35/203,544.90 = 80,428.35/x
  3. Step 3: Cross multiply
    147,496.35x = 203,544.90 × 80,428.35
  4. Step 4: Simplify right side
    147,496.35x = 16,370,780,457.92
  5. Step 5: Solve for x
    x = 16,370,780,457.92/147,496.35
  6. Step 6: Final answer
    x = 110,991.09

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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.