Home / 252,710.11-348,730.81-139,530.43

Finding the Fourth Proportional to 252,710.11, 348,730.81 and 139,530.43

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Solution

The fourth proportional to 252,710.11, 348,730.81 and 139,530.43 is: 192,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,710.11 : 348,730.81 = 139,530.43 : x
  2. Step 2: Convert to fraction form
    252,710.11/348,730.81 = 139,530.43/x
  3. Step 3: Cross multiply
    252,710.11x = 348,730.81 × 139,530.43
  4. Step 4: Simplify right side
    252,710.11x = 48,658,559,873.55
  5. Step 5: Solve for x
    x = 48,658,559,873.55/252,710.11
  6. Step 6: Final answer
    x = 192,546.95

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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.