Home / 208,421.30-313,050.44-124,345.73

Finding the Fourth Proportional to 208,421.30, 313,050.44 and 124,345.73

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Solution

The fourth proportional to 208,421.30, 313,050.44 and 124,345.73 is: 186,768.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,421.30 : 313,050.44 = 124,345.73 : x
  2. Step 2: Convert to fraction form
    208,421.30/313,050.44 = 124,345.73/x
  3. Step 3: Cross multiply
    208,421.30x = 313,050.44 × 124,345.73
  4. Step 4: Simplify right side
    208,421.30x = 38,926,483,301.64
  5. Step 5: Solve for x
    x = 38,926,483,301.64/208,421.30
  6. Step 6: Final answer
    x = 186,768.26

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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.