Home / 210,550.56-290,554.98-115,057.83

Finding the Fourth Proportional to 210,550.56, 290,554.98 and 115,057.83

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Solution

The fourth proportional to 210,550.56, 290,554.98 and 115,057.83 is: 158,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,550.56 : 290,554.98 = 115,057.83 : x
  2. Step 2: Convert to fraction form
    210,550.56/290,554.98 = 115,057.83/x
  3. Step 3: Cross multiply
    210,550.56x = 290,554.98 × 115,057.83
  4. Step 4: Simplify right side
    210,550.56x = 33,430,625,494.49
  5. Step 5: Solve for x
    x = 33,430,625,494.49/210,550.56
  6. Step 6: Final answer
    x = 158,777.19

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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.