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Finding the Fourth Proportional to 210,144.63, 290,016.77 and 119,528.94

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Solution

The fourth proportional to 210,144.63, 290,016.77 and 119,528.94 is: 164,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,144.63 : 290,016.77 = 119,528.94 : x
  2. Step 2: Convert to fraction form
    210,144.63/290,016.77 = 119,528.94/x
  3. Step 3: Cross multiply
    210,144.63x = 290,016.77 × 119,528.94
  4. Step 4: Simplify right side
    210,144.63x = 34,665,396,502.68
  5. Step 5: Solve for x
    x = 34,665,396,502.68/210,144.63
  6. Step 6: Final answer
    x = 164,959.71

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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.