Home / 122,259.12-168,724.53-68,561.34

Finding the Fourth Proportional to 122,259.12, 168,724.53 and 68,561.34

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Solution

The fourth proportional to 122,259.12, 168,724.53 and 68,561.34 is: 94,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,259.12 : 168,724.53 = 68,561.34 : x
  2. Step 2: Convert to fraction form
    122,259.12/168,724.53 = 68,561.34/x
  3. Step 3: Cross multiply
    122,259.12x = 168,724.53 × 68,561.34
  4. Step 4: Simplify right side
    122,259.12x = 11,567,979,867.67
  5. Step 5: Solve for x
    x = 11,567,979,867.67/122,259.12
  6. Step 6: Final answer
    x = 94,618.54

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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.