Home / 199,650.03-275,513.40-113,607.15

Finding the Fourth Proportional to 199,650.03, 275,513.40 and 113,607.15

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Solution

The fourth proportional to 199,650.03, 275,513.40 and 113,607.15 is: 156,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,650.03 : 275,513.40 = 113,607.15 : x
  2. Step 2: Convert to fraction form
    199,650.03/275,513.40 = 113,607.15/x
  3. Step 3: Cross multiply
    199,650.03x = 275,513.40 × 113,607.15
  4. Step 4: Simplify right side
    199,650.03x = 31,300,292,160.81
  5. Step 5: Solve for x
    x = 31,300,292,160.81/199,650.03
  6. Step 6: Final answer
    x = 156,775.79

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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.