Home / 209,675.23-314,511.36-125,458.86

Finding the Fourth Proportional to 209,675.23, 314,511.36 and 125,458.86

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Solution

The fourth proportional to 209,675.23, 314,511.36 and 125,458.86 is: 188,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,675.23 : 314,511.36 = 125,458.86 : x
  2. Step 2: Convert to fraction form
    209,675.23/314,511.36 = 125,458.86/x
  3. Step 3: Cross multiply
    209,675.23x = 314,511.36 × 125,458.86
  4. Step 4: Simplify right side
    209,675.23x = 39,458,236,682.65
  5. Step 5: Solve for x
    x = 39,458,236,682.65/209,675.23
  6. Step 6: Final answer
    x = 188,187.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.