Home / 119,288.80-164,618.88-68,302.28

Finding the Fourth Proportional to 119,288.80, 164,618.88 and 68,302.28

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Solution

The fourth proportional to 119,288.80, 164,618.88 and 68,302.28 is: 94,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,288.80 : 164,618.88 = 68,302.28 : x
  2. Step 2: Convert to fraction form
    119,288.80/164,618.88 = 68,302.28/x
  3. Step 3: Cross multiply
    119,288.80x = 164,618.88 × 68,302.28
  4. Step 4: Simplify right side
    119,288.80x = 11,243,844,835.05
  5. Step 5: Solve for x
    x = 11,243,844,835.05/119,288.80
  6. Step 6: Final answer
    x = 94,257.34

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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.