Home / 140,100.93-208,917.51-138,837.33

Finding the Fourth Proportional to 140,100.93, 208,917.51 and 138,837.33

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Solution

The fourth proportional to 140,100.93, 208,917.51 and 138,837.33 is: 207,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,100.93 : 208,917.51 = 138,837.33 : x
  2. Step 2: Convert to fraction form
    140,100.93/208,917.51 = 138,837.33/x
  3. Step 3: Cross multiply
    140,100.93x = 208,917.51 × 138,837.33
  4. Step 4: Simplify right side
    140,100.93x = 29,005,549,278.65
  5. Step 5: Solve for x
    x = 29,005,549,278.65/140,100.93
  6. Step 6: Final answer
    x = 207,033.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.