Home / 210,148.08-289,964.64-125,273.04

Finding the Fourth Proportional to 210,148.08, 289,964.64 and 125,273.04

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Solution

The fourth proportional to 210,148.08, 289,964.64 and 125,273.04 is: 172,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,148.08 : 289,964.64 = 125,273.04 : x
  2. Step 2: Convert to fraction form
    210,148.08/289,964.64 = 125,273.04/x
  3. Step 3: Cross multiply
    210,148.08x = 289,964.64 × 125,273.04
  4. Step 4: Simplify right side
    210,148.08x = 36,324,751,945.31
  5. Step 5: Solve for x
    x = 36,324,751,945.31/210,148.08
  6. Step 6: Final answer
    x = 172,853.12

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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.