Home / 210,254.86-290,189.31-125,377.39

Finding the Fourth Proportional to 210,254.86, 290,189.31 and 125,377.39

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Solution

The fourth proportional to 210,254.86, 290,189.31 and 125,377.39 is: 173,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,254.86 : 290,189.31 = 125,377.39 : x
  2. Step 2: Convert to fraction form
    210,254.86/290,189.31 = 125,377.39/x
  3. Step 3: Cross multiply
    210,254.86x = 290,189.31 × 125,377.39
  4. Step 4: Simplify right side
    210,254.86x = 36,383,178,293.70
  5. Step 5: Solve for x
    x = 36,383,178,293.70/210,254.86
  6. Step 6: Final answer
    x = 173,043.22

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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.