Home / 245,111.17-338,200.94-143,090.33

Finding the Fourth Proportional to 245,111.17, 338,200.94 and 143,090.33

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Solution

The fourth proportional to 245,111.17, 338,200.94 and 143,090.33 is: 197,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,111.17 : 338,200.94 = 143,090.33 : x
  2. Step 2: Convert to fraction form
    245,111.17/338,200.94 = 143,090.33/x
  3. Step 3: Cross multiply
    245,111.17x = 338,200.94 × 143,090.33
  4. Step 4: Simplify right side
    245,111.17x = 48,393,284,110.91
  5. Step 5: Solve for x
    x = 48,393,284,110.91/245,111.17
  6. Step 6: Final answer
    x = 197,434.02

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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.