Home / 210,535.52-290,540.56-115,042.16

Finding the Fourth Proportional to 210,535.52, 290,540.56 and 115,042.16

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Solution

The fourth proportional to 210,535.52, 290,540.56 and 115,042.16 is: 158,759.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,535.52 : 290,540.56 = 115,042.16 : x
  2. Step 2: Convert to fraction form
    210,535.52/290,540.56 = 115,042.16/x
  3. Step 3: Cross multiply
    210,535.52x = 290,540.56 × 115,042.16
  4. Step 4: Simplify right side
    210,535.52x = 33,424,413,590.01
  5. Step 5: Solve for x
    x = 33,424,413,590.01/210,535.52
  6. Step 6: Final answer
    x = 158,759.02

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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.