Home / 210,845.46-290,938.05-125,944.50

Finding the Fourth Proportional to 210,845.46, 290,938.05 and 125,944.50

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Solution

The fourth proportional to 210,845.46, 290,938.05 and 125,944.50 is: 173,786.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,845.46 : 290,938.05 = 125,944.50 : x
  2. Step 2: Convert to fraction form
    210,845.46/290,938.05 = 125,944.50/x
  3. Step 3: Cross multiply
    210,845.46x = 290,938.05 × 125,944.50
  4. Step 4: Simplify right side
    210,845.46x = 36,642,047,238.23
  5. Step 5: Solve for x
    x = 36,642,047,238.23/210,845.46
  6. Step 6: Final answer
    x = 173,786.28

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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.