Home / 210,181.08-290,047.48-114,689.37

Finding the Fourth Proportional to 210,181.08, 290,047.48 and 114,689.37

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Solution

The fourth proportional to 210,181.08, 290,047.48 and 114,689.37 is: 158,270.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,181.08 : 290,047.48 = 114,689.37 : x
  2. Step 2: Convert to fraction form
    210,181.08/290,047.48 = 114,689.37/x
  3. Step 3: Cross multiply
    210,181.08x = 290,047.48 × 114,689.37
  4. Step 4: Simplify right side
    210,181.08x = 33,265,362,751.29
  5. Step 5: Solve for x
    x = 33,265,362,751.29/210,181.08
  6. Step 6: Final answer
    x = 158,270.02

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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.