Home / 313,647.12-470,469.96-136,131.12

Finding the Fourth Proportional to 313,647.12, 470,469.96 and 136,131.12

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Solution

The fourth proportional to 313,647.12, 470,469.96 and 136,131.12 is: 204,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,647.12 : 470,469.96 = 136,131.12 : x
  2. Step 2: Convert to fraction form
    313,647.12/470,469.96 = 136,131.12/x
  3. Step 3: Cross multiply
    313,647.12x = 470,469.96 × 136,131.12
  4. Step 4: Simplify right side
    313,647.12x = 64,045,602,581.16
  5. Step 5: Solve for x
    x = 64,045,602,581.16/313,647.12
  6. Step 6: Final answer
    x = 204,196.37

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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.