Home / 179,486.06-247,691.74-102,999.07

Finding the Fourth Proportional to 179,486.06, 247,691.74 and 102,999.07

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Solution

The fourth proportional to 179,486.06, 247,691.74 and 102,999.07 is: 142,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,486.06 : 247,691.74 = 102,999.07 : x
  2. Step 2: Convert to fraction form
    179,486.06/247,691.74 = 102,999.07/x
  3. Step 3: Cross multiply
    179,486.06x = 247,691.74 × 102,999.07
  4. Step 4: Simplify right side
    179,486.06x = 25,512,017,628.22
  5. Step 5: Solve for x
    x = 25,512,017,628.22/179,486.06
  6. Step 6: Final answer
    x = 142,139.27

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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.