Home / 210,927.78-290,945.97-147,242.34

Finding the Fourth Proportional to 210,927.78, 290,945.97 and 147,242.34

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Solution

The fourth proportional to 210,927.78, 290,945.97 and 147,242.34 is: 203,100.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,927.78 : 290,945.97 = 147,242.34 : x
  2. Step 2: Convert to fraction form
    210,927.78/290,945.97 = 147,242.34/x
  3. Step 3: Cross multiply
    210,927.78x = 290,945.97 × 147,242.34
  4. Step 4: Simplify right side
    210,927.78x = 42,839,565,436.37
  5. Step 5: Solve for x
    x = 42,839,565,436.37/210,927.78
  6. Step 6: Final answer
    x = 203,100.63

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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.