Home / 210,255.21-290,141.19-114,760.26

Finding the Fourth Proportional to 210,255.21, 290,141.19 and 114,760.26

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Solution

The fourth proportional to 210,255.21, 290,141.19 and 114,760.26 is: 158,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,255.21 : 290,141.19 = 114,760.26 : x
  2. Step 2: Convert to fraction form
    210,255.21/290,141.19 = 114,760.26/x
  3. Step 3: Cross multiply
    210,255.21x = 290,141.19 × 114,760.26
  4. Step 4: Simplify right side
    210,255.21x = 33,296,678,401.11
  5. Step 5: Solve for x
    x = 33,296,678,401.11/210,255.21
  6. Step 6: Final answer
    x = 158,363.15

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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.