Home / 122,011.30-168,366.36-68,284

Finding the Fourth Proportional to 122,011.30, 168,366.36 and 68,284

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Solution

The fourth proportional to 122,011.30, 168,366.36 and 68,284 is: 94,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.30 : 168,366.36 = 68,284 : x
  2. Step 2: Convert to fraction form
    122,011.30/168,366.36 = 68,284/x
  3. Step 3: Cross multiply
    122,011.30x = 168,366.36 × 68,284
  4. Step 4: Simplify right side
    122,011.30x = 11,496,728,526.24
  5. Step 5: Solve for x
    x = 11,496,728,526.24/122,011.30
  6. Step 6: Final answer
    x = 94,226.75

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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.