Home / 210,827.24-290,948.52-120,181.56

Finding the Fourth Proportional to 210,827.24, 290,948.52 and 120,181.56

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Solution

The fourth proportional to 210,827.24, 290,948.52 and 120,181.56 is: 165,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,827.24 : 290,948.52 = 120,181.56 : x
  2. Step 2: Convert to fraction form
    210,827.24/290,948.52 = 120,181.56/x
  3. Step 3: Cross multiply
    210,827.24x = 290,948.52 × 120,181.56
  4. Step 4: Simplify right side
    210,827.24x = 34,966,647,013.29
  5. Step 5: Solve for x
    x = 34,966,647,013.29/210,827.24
  6. Step 6: Final answer
    x = 165,854.50

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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.