Home / 210,946.23-291,105.90-115,453.44

Finding the Fourth Proportional to 210,946.23, 291,105.90 and 115,453.44

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Solution

The fourth proportional to 210,946.23, 291,105.90 and 115,453.44 is: 159,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,946.23 : 291,105.90 = 115,453.44 : x
  2. Step 2: Convert to fraction form
    210,946.23/291,105.90 = 115,453.44/x
  3. Step 3: Cross multiply
    210,946.23x = 291,105.90 × 115,453.44
  4. Step 4: Simplify right side
    210,946.23x = 33,609,177,559.30
  5. Step 5: Solve for x
    x = 33,609,177,559.30/210,946.23
  6. Step 6: Final answer
    x = 159,325.80

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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.