Home / 121,983.06-168,337.48-68,273.07

Finding the Fourth Proportional to 121,983.06, 168,337.48 and 68,273.07

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Solution

The fourth proportional to 121,983.06, 168,337.48 and 68,273.07 is: 94,217.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,983.06 : 168,337.48 = 68,273.07 : x
  2. Step 2: Convert to fraction form
    121,983.06/168,337.48 = 68,273.07/x
  3. Step 3: Cross multiply
    121,983.06x = 168,337.48 × 68,273.07
  4. Step 4: Simplify right side
    121,983.06x = 11,492,916,555.66
  5. Step 5: Solve for x
    x = 11,492,916,555.66/121,983.06
  6. Step 6: Final answer
    x = 94,217.32

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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.