Home / 112,313.70-168,617.66-75,112.83

Finding the Fourth Proportional to 112,313.70, 168,617.66 and 75,112.83

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Solution

The fourth proportional to 112,313.70, 168,617.66 and 75,112.83 is: 112,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,313.70 : 168,617.66 = 75,112.83 : x
  2. Step 2: Convert to fraction form
    112,313.70/168,617.66 = 75,112.83/x
  3. Step 3: Cross multiply
    112,313.70x = 168,617.66 × 75,112.83
  4. Step 4: Simplify right side
    112,313.70x = 12,665,349,255.01
  5. Step 5: Solve for x
    x = 12,665,349,255.01/112,313.70
  6. Step 6: Final answer
    x = 112,767.63

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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.