Home / 210,208.47-290,093.81-114,721.31

Finding the Fourth Proportional to 210,208.47, 290,093.81 and 114,721.31

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Solution

The fourth proportional to 210,208.47, 290,093.81 and 114,721.31 is: 158,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,208.47 : 290,093.81 = 114,721.31 : x
  2. Step 2: Convert to fraction form
    210,208.47/290,093.81 = 114,721.31/x
  3. Step 3: Cross multiply
    210,208.47x = 290,093.81 × 114,721.31
  4. Step 4: Simplify right side
    210,208.47x = 33,279,939,882.02
  5. Step 5: Solve for x
    x = 33,279,939,882.02/210,208.47
  6. Step 6: Final answer
    x = 158,318.74

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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.