Home / 210,473.37-290,453.45-114,981.66

Finding the Fourth Proportional to 210,473.37, 290,453.45 and 114,981.66

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Solution

The fourth proportional to 210,473.37, 290,453.45 and 114,981.66 is: 158,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,473.37 : 290,453.45 = 114,981.66 : x
  2. Step 2: Convert to fraction form
    210,473.37/290,453.45 = 114,981.66/x
  3. Step 3: Cross multiply
    210,473.37x = 290,453.45 × 114,981.66
  4. Step 4: Simplify right side
    210,473.37x = 33,396,819,258.82
  5. Step 5: Solve for x
    x = 33,396,819,258.82/210,473.37
  6. Step 6: Final answer
    x = 158,674.80

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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.