Home / 210,181.76-290,051.58-114,690.56

Finding the Fourth Proportional to 210,181.76, 290,051.58 and 114,690.56

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Solution

The fourth proportional to 210,181.76, 290,051.58 and 114,690.56 is: 158,273.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,181.76 : 290,051.58 = 114,690.56 : x
  2. Step 2: Convert to fraction form
    210,181.76/290,051.58 = 114,690.56/x
  3. Step 3: Cross multiply
    210,181.76x = 290,051.58 × 114,690.56
  4. Step 4: Simplify right side
    210,181.76x = 33,266,178,139.08
  5. Step 5: Solve for x
    x = 33,266,178,139.08/210,181.76
  6. Step 6: Final answer
    x = 158,273.38

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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.