Home / 210,399.24-290,338.20-114,886.56

Finding the Fourth Proportional to 210,399.24, 290,338.20 and 114,886.56

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Solution

The fourth proportional to 210,399.24, 290,338.20 and 114,886.56 is: 158,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,399.24 : 290,338.20 = 114,886.56 : x
  2. Step 2: Convert to fraction form
    210,399.24/290,338.20 = 114,886.56/x
  3. Step 3: Cross multiply
    210,399.24x = 290,338.20 × 114,886.56
  4. Step 4: Simplify right side
    210,399.24x = 33,355,957,034.59
  5. Step 5: Solve for x
    x = 33,355,957,034.59/210,399.24
  6. Step 6: Final answer
    x = 158,536.49

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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.