Home / 119,203.25-164,443.65-86,868.54

Finding the Fourth Proportional to 119,203.25, 164,443.65 and 86,868.54

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Solution

The fourth proportional to 119,203.25, 164,443.65 and 86,868.54 is: 119,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,203.25 : 164,443.65 = 86,868.54 : x
  2. Step 2: Convert to fraction form
    119,203.25/164,443.65 = 86,868.54/x
  3. Step 3: Cross multiply
    119,203.25x = 164,443.65 × 86,868.54
  4. Step 4: Simplify right side
    119,203.25x = 14,284,979,787.77
  5. Step 5: Solve for x
    x = 14,284,979,787.77/119,203.25
  6. Step 6: Final answer
    x = 119,837.17

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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.