Home / 245,111.23-338,201.02-143,090.38

Finding the Fourth Proportional to 245,111.23, 338,201.02 and 143,090.38

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Solution

The fourth proportional to 245,111.23, 338,201.02 and 143,090.38 is: 197,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,111.23 : 338,201.02 = 143,090.38 : x
  2. Step 2: Convert to fraction form
    245,111.23/338,201.02 = 143,090.38/x
  3. Step 3: Cross multiply
    245,111.23x = 338,201.02 × 143,090.38
  4. Step 4: Simplify right side
    245,111.23x = 48,393,312,468.19
  5. Step 5: Solve for x
    x = 48,393,312,468.19/245,111.23
  6. Step 6: Final answer
    x = 197,434.09

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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.