Home / 210,458.14-290,421.41-114,946.38

Finding the Fourth Proportional to 210,458.14, 290,421.41 and 114,946.38

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Solution

The fourth proportional to 210,458.14, 290,421.41 and 114,946.38 is: 158,620.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,458.14 : 290,421.41 = 114,946.38 : x
  2. Step 2: Convert to fraction form
    210,458.14/290,421.41 = 114,946.38/x
  3. Step 3: Cross multiply
    210,458.14x = 290,421.41 × 114,946.38
  4. Step 4: Simplify right side
    210,458.14x = 33,382,889,179.26
  5. Step 5: Solve for x
    x = 33,382,889,179.26/210,458.14
  6. Step 6: Final answer
    x = 158,620.09

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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.