Home / 188,389.02-259,975.77-102,347.31

Finding the Fourth Proportional to 188,389.02, 259,975.77 and 102,347.31

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Solution

The fourth proportional to 188,389.02, 259,975.77 and 102,347.31 is: 141,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,389.02 : 259,975.77 = 102,347.31 : x
  2. Step 2: Convert to fraction form
    188,389.02/259,975.77 = 102,347.31/x
  3. Step 3: Cross multiply
    188,389.02x = 259,975.77 × 102,347.31
  4. Step 4: Simplify right side
    188,389.02x = 26,607,820,724.68
  5. Step 5: Solve for x
    x = 26,607,820,724.68/188,389.02
  6. Step 6: Final answer
    x = 141,238.70

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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.