Home / 210,576.85-290,595.35-115,083.52

Finding the Fourth Proportional to 210,576.85, 290,595.35 and 115,083.52

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Solution

The fourth proportional to 210,576.85, 290,595.35 and 115,083.52 is: 158,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,576.85 : 290,595.35 = 115,083.52 : x
  2. Step 2: Convert to fraction form
    210,576.85/290,595.35 = 115,083.52/x
  3. Step 3: Cross multiply
    210,576.85x = 290,595.35 × 115,083.52
  4. Step 4: Simplify right side
    210,576.85x = 33,442,734,687.51
  5. Step 5: Solve for x
    x = 33,442,734,687.51/210,576.85
  6. Step 6: Final answer
    x = 158,814.87

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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.