Home / 122,362.02-168,860.76-68,648.20

Finding the Fourth Proportional to 122,362.02, 168,860.76 and 68,648.20

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Solution

The fourth proportional to 122,362.02, 168,860.76 and 68,648.20 is: 94,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,362.02 : 168,860.76 = 68,648.20 : x
  2. Step 2: Convert to fraction form
    122,362.02/168,860.76 = 68,648.20/x
  3. Step 3: Cross multiply
    122,362.02x = 168,860.76 × 68,648.20
  4. Step 4: Simplify right side
    122,362.02x = 11,591,987,224.63
  5. Step 5: Solve for x
    x = 11,591,987,224.63/122,362.02
  6. Step 6: Final answer
    x = 94,735.17

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1.5x scale

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.