Home / 210,179.15-290,054.23-114,691.09

Finding the Fourth Proportional to 210,179.15, 290,054.23 and 114,691.09

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Solution

The fourth proportional to 210,179.15, 290,054.23 and 114,691.09 is: 158,277.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,179.15 : 290,054.23 = 114,691.09 : x
  2. Step 2: Convert to fraction form
    210,179.15/290,054.23 = 114,691.09/x
  3. Step 3: Cross multiply
    210,179.15x = 290,054.23 × 114,691.09
  4. Step 4: Simplify right side
    210,179.15x = 33,266,633,774.08
  5. Step 5: Solve for x
    x = 33,266,633,774.08/210,179.15
  6. Step 6: Final answer
    x = 158,277.52

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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.