Home / 199,445.36-299,165.75-57,294.12

Finding the Fourth Proportional to 199,445.36, 299,165.75 and 57,294.12

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Solution

The fourth proportional to 199,445.36, 299,165.75 and 57,294.12 is: 85,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,445.36 : 299,165.75 = 57,294.12 : x
  2. Step 2: Convert to fraction form
    199,445.36/299,165.75 = 57,294.12/x
  3. Step 3: Cross multiply
    199,445.36x = 299,165.75 × 57,294.12
  4. Step 4: Simplify right side
    199,445.36x = 17,140,438,093.92
  5. Step 5: Solve for x
    x = 17,140,438,093.92/199,445.36
  6. Step 6: Final answer
    x = 85,940.52

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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.