Home / 199,840.32-275,262.24-139,302.72

Finding the Fourth Proportional to 199,840.32, 275,262.24 and 139,302.72

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Solution

The fourth proportional to 199,840.32, 275,262.24 and 139,302.72 is: 191,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,840.32 : 275,262.24 = 139,302.72 : x
  2. Step 2: Convert to fraction form
    199,840.32/275,262.24 = 139,302.72/x
  3. Step 3: Cross multiply
    199,840.32x = 275,262.24 × 139,302.72
  4. Step 4: Simplify right side
    199,840.32x = 38,344,778,745.29
  5. Step 5: Solve for x
    x = 38,344,778,745.29/199,840.32
  6. Step 6: Final answer
    x = 191,877.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.