Home / 210,721.41-290,559.07-134,119.17

Finding the Fourth Proportional to 210,721.41, 290,559.07 and 134,119.17

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Solution

The fourth proportional to 210,721.41, 290,559.07 and 134,119.17 is: 184,933.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,721.41 : 290,559.07 = 134,119.17 : x
  2. Step 2: Convert to fraction form
    210,721.41/290,559.07 = 134,119.17/x
  3. Step 3: Cross multiply
    210,721.41x = 290,559.07 × 134,119.17
  4. Step 4: Simplify right side
    210,721.41x = 38,969,540,969.07
  5. Step 5: Solve for x
    x = 38,969,540,969.07/210,721.41
  6. Step 6: Final answer
    x = 184,933.94

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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.