Home / 252,443.36-348,371.81-139,266.11

Finding the Fourth Proportional to 252,443.36, 348,371.81 and 139,266.11

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Solution

The fourth proportional to 252,443.36, 348,371.81 and 139,266.11 is: 192,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,443.36 : 348,371.81 = 139,266.11 : x
  2. Step 2: Convert to fraction form
    252,443.36/348,371.81 = 139,266.11/x
  3. Step 3: Cross multiply
    252,443.36x = 348,371.81 × 139,266.11
  4. Step 4: Simplify right side
    252,443.36x = 48,516,384,374.17
  5. Step 5: Solve for x
    x = 48,516,384,374.17/252,443.36
  6. Step 6: Final answer
    x = 192,187.21

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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.