Home / 210,194.45-290,074.51-114,707.31

Finding the Fourth Proportional to 210,194.45, 290,074.51 and 114,707.31

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Solution

The fourth proportional to 210,194.45, 290,074.51 and 114,707.31 is: 158,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,194.45 : 290,074.51 = 114,707.31 : x
  2. Step 2: Convert to fraction form
    210,194.45/290,074.51 = 114,707.31/x
  3. Step 3: Cross multiply
    210,194.45x = 290,074.51 × 114,707.31
  4. Step 4: Simplify right side
    210,194.45x = 33,273,666,741.67
  5. Step 5: Solve for x
    x = 33,273,666,741.67/210,194.45
  6. Step 6: Final answer
    x = 158,299.45

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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.