Home / 143,633.23-216,525.43-133,999.49

Finding the Fourth Proportional to 143,633.23, 216,525.43 and 133,999.49

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Solution

The fourth proportional to 143,633.23, 216,525.43 and 133,999.49 is: 202,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,633.23 : 216,525.43 = 133,999.49 : x
  2. Step 2: Convert to fraction form
    143,633.23/216,525.43 = 133,999.49/x
  3. Step 3: Cross multiply
    143,633.23x = 216,525.43 × 133,999.49
  4. Step 4: Simplify right side
    143,633.23x = 29,014,297,192.03
  5. Step 5: Solve for x
    x = 29,014,297,192.03/143,633.23
  6. Step 6: Final answer
    x = 202,002.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.