Home / 210,835.35-290,950.38-115,340.94

Finding the Fourth Proportional to 210,835.35, 290,950.38 and 115,340.94

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Solution

The fourth proportional to 210,835.35, 290,950.38 and 115,340.94 is: 159,169.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,835.35 : 290,950.38 = 115,340.94 : x
  2. Step 2: Convert to fraction form
    210,835.35/290,950.38 = 115,340.94/x
  3. Step 3: Cross multiply
    210,835.35x = 290,950.38 × 115,340.94
  4. Step 4: Simplify right side
    210,835.35x = 33,558,490,322.56
  5. Step 5: Solve for x
    x = 33,558,490,322.56/210,835.35
  6. Step 6: Final answer
    x = 159,169.18

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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.