Home / 210,675.06-290,731.53-115,181.73

Finding the Fourth Proportional to 210,675.06, 290,731.53 and 115,181.73

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Solution

The fourth proportional to 210,675.06, 290,731.53 and 115,181.73 is: 158,950.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,675.06 : 290,731.53 = 115,181.73 : x
  2. Step 2: Convert to fraction form
    210,675.06/290,731.53 = 115,181.73/x
  3. Step 3: Cross multiply
    210,675.06x = 290,731.53 × 115,181.73
  4. Step 4: Simplify right side
    210,675.06x = 33,486,960,590.95
  5. Step 5: Solve for x
    x = 33,486,960,590.95/210,675.06
  6. Step 6: Final answer
    x = 158,950.76

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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.