Home / 210,961.52-291,119.76-115,466.24

Finding the Fourth Proportional to 210,961.52, 291,119.76 and 115,466.24

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Solution

The fourth proportional to 210,961.52, 291,119.76 and 115,466.24 is: 159,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,961.52 : 291,119.76 = 115,466.24 : x
  2. Step 2: Convert to fraction form
    210,961.52/291,119.76 = 115,466.24/x
  3. Step 3: Cross multiply
    210,961.52x = 291,119.76 × 115,466.24
  4. Step 4: Simplify right side
    210,961.52x = 33,614,504,076.90
  5. Step 5: Solve for x
    x = 33,614,504,076.90/210,961.52
  6. Step 6: Final answer
    x = 159,339.50

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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.