Home / 210,179.38-290,054.55-114,691.32

Finding the Fourth Proportional to 210,179.38, 290,054.55 and 114,691.32

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Solution

The fourth proportional to 210,179.38, 290,054.55 and 114,691.32 is: 158,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,179.38 : 290,054.55 = 114,691.32 : x
  2. Step 2: Convert to fraction form
    210,179.38/290,054.55 = 114,691.32/x
  3. Step 3: Cross multiply
    210,179.38x = 290,054.55 × 114,691.32
  4. Step 4: Simplify right side
    210,179.38x = 33,266,739,211.51
  5. Step 5: Solve for x
    x = 33,266,739,211.51/210,179.38
  6. Step 6: Final answer
    x = 158,277.84

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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.