Home / 210,245.22-290,176.02-125,367.75

Finding the Fourth Proportional to 210,245.22, 290,176.02 and 125,367.75

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Solution

The fourth proportional to 210,245.22, 290,176.02 and 125,367.75 is: 173,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,245.22 : 290,176.02 = 125,367.75 : x
  2. Step 2: Convert to fraction form
    210,245.22/290,176.02 = 125,367.75/x
  3. Step 3: Cross multiply
    210,245.22x = 290,176.02 × 125,367.75
  4. Step 4: Simplify right side
    210,245.22x = 36,378,714,731.36
  5. Step 5: Solve for x
    x = 36,378,714,731.36/210,245.22
  6. Step 6: Final answer
    x = 173,029.93

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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.