Home / 210,545.48-290,540.52-115,052.96

Finding the Fourth Proportional to 210,545.48, 290,540.52 and 115,052.96

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Solution

The fourth proportional to 210,545.48, 290,540.52 and 115,052.96 is: 158,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,545.48 : 290,540.52 = 115,052.96 : x
  2. Step 2: Convert to fraction form
    210,545.48/290,540.52 = 115,052.96/x
  3. Step 3: Cross multiply
    210,545.48x = 290,540.52 × 115,052.96
  4. Step 4: Simplify right side
    210,545.48x = 33,427,546,825.94
  5. Step 5: Solve for x
    x = 33,427,546,825.94/210,545.48
  6. Step 6: Final answer
    x = 158,766.39

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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.