Home / 209,037.42-313,555.56-75,917.16

Finding the Fourth Proportional to 209,037.42, 313,555.56 and 75,917.16

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Solution

The fourth proportional to 209,037.42, 313,555.56 and 75,917.16 is: 113,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,037.42 : 313,555.56 = 75,917.16 : x
  2. Step 2: Convert to fraction form
    209,037.42/313,555.56 = 75,917.16/x
  3. Step 3: Cross multiply
    209,037.42x = 313,555.56 × 75,917.16
  4. Step 4: Simplify right side
    209,037.42x = 23,804,247,617.41
  5. Step 5: Solve for x
    x = 23,804,247,617.41/209,037.42
  6. Step 6: Final answer
    x = 113,875.53

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1.5x scale

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.