Home / 211,912.50-317,495.16-111,852.24

Finding the Fourth Proportional to 211,912.50, 317,495.16 and 111,852.24

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Solution

The fourth proportional to 211,912.50, 317,495.16 and 111,852.24 is: 167,581.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,912.50 : 317,495.16 = 111,852.24 : x
  2. Step 2: Convert to fraction form
    211,912.50/317,495.16 = 111,852.24/x
  3. Step 3: Cross multiply
    211,912.50x = 317,495.16 × 111,852.24
  4. Step 4: Simplify right side
    211,912.50x = 35,512,544,835.16
  5. Step 5: Solve for x
    x = 35,512,544,835.16/211,912.50
  6. Step 6: Final answer
    x = 167,581.17

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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.