Home / 210,589.74-290,620.53-115,094.34

Finding the Fourth Proportional to 210,589.74, 290,620.53 and 115,094.34

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Solution

The fourth proportional to 210,589.74, 290,620.53 and 115,094.34 is: 158,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,589.74 : 290,620.53 = 115,094.34 : x
  2. Step 2: Convert to fraction form
    210,589.74/290,620.53 = 115,094.34/x
  3. Step 3: Cross multiply
    210,589.74x = 290,620.53 × 115,094.34
  4. Step 4: Simplify right side
    210,589.74x = 33,448,778,090.80
  5. Step 5: Solve for x
    x = 33,448,778,090.80/210,589.74
  6. Step 6: Final answer
    x = 158,833.84

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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.