Home / 210,243.01-290,168.58-133,682.30

Finding the Fourth Proportional to 210,243.01, 290,168.58 and 133,682.30

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Solution

The fourth proportional to 210,243.01, 290,168.58 and 133,682.30 is: 184,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,243.01 : 290,168.58 = 133,682.30 : x
  2. Step 2: Convert to fraction form
    210,243.01/290,168.58 = 133,682.30/x
  3. Step 3: Cross multiply
    210,243.01x = 290,168.58 × 133,682.30
  4. Step 4: Simplify right side
    210,243.01x = 38,790,401,042.88
  5. Step 5: Solve for x
    x = 38,790,401,042.88/210,243.01
  6. Step 6: Final answer
    x = 184,502.69

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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.