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Finding the Fourth Proportional to 180,440.51, 248,999.00 and 102,919.20

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Solution

The fourth proportional to 180,440.51, 248,999.00 and 102,919.20 is: 142,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,440.51 : 248,999.00 = 102,919.20 : x
  2. Step 2: Convert to fraction form
    180,440.51/248,999.00 = 102,919.20/x
  3. Step 3: Cross multiply
    180,440.51x = 248,999.00 × 102,919.20
  4. Step 4: Simplify right side
    180,440.51x = 25,626,777,366.20
  5. Step 5: Solve for x
    x = 25,626,777,366.20/180,440.51
  6. Step 6: Final answer
    x = 142,023.42

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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.