Home / 210,227.31-290,120.45-119,580.94

Finding the Fourth Proportional to 210,227.31, 290,120.45 and 119,580.94

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Solution

The fourth proportional to 210,227.31, 290,120.45 and 119,580.94 is: 165,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,227.31 : 290,120.45 = 119,580.94 : x
  2. Step 2: Convert to fraction form
    210,227.31/290,120.45 = 119,580.94/x
  3. Step 3: Cross multiply
    210,227.31x = 290,120.45 × 119,580.94
  4. Step 4: Simplify right side
    210,227.31x = 34,692,876,124.22
  5. Step 5: Solve for x
    x = 34,692,876,124.22/210,227.31
  6. Step 6: Final answer
    x = 165,025.54

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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.