Home / 210,549.98-290,546.73-115,057.46

Finding the Fourth Proportional to 210,549.98, 290,546.73 and 115,057.46

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Solution

The fourth proportional to 210,549.98, 290,546.73 and 115,057.46 is: 158,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,549.98 : 290,546.73 = 115,057.46 : x
  2. Step 2: Convert to fraction form
    210,549.98/290,546.73 = 115,057.46/x
  3. Step 3: Cross multiply
    210,549.98x = 290,546.73 × 115,057.46
  4. Step 4: Simplify right side
    210,549.98x = 33,429,568,765.11
  5. Step 5: Solve for x
    x = 33,429,568,765.11/210,549.98
  6. Step 6: Final answer
    x = 158,772.60

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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.