Home / 143,999.22-216,026.63-55,245.80

Finding the Fourth Proportional to 143,999.22, 216,026.63 and 55,245.80

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Solution

The fourth proportional to 143,999.22, 216,026.63 and 55,245.80 is: 82,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,999.22 : 216,026.63 = 55,245.80 : x
  2. Step 2: Convert to fraction form
    143,999.22/216,026.63 = 55,245.80/x
  3. Step 3: Cross multiply
    143,999.22x = 216,026.63 × 55,245.80
  4. Step 4: Simplify right side
    143,999.22x = 11,934,562,639.29
  5. Step 5: Solve for x
    x = 11,934,562,639.29/143,999.22
  6. Step 6: Final answer
    x = 82,879.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.