Home / 208,733.76-312,913.53-96,357.20

Finding the Fourth Proportional to 208,733.76, 312,913.53 and 96,357.20

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Solution

The fourth proportional to 208,733.76, 312,913.53 and 96,357.20 is: 144,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,733.76 : 312,913.53 = 96,357.20 : x
  2. Step 2: Convert to fraction form
    208,733.76/312,913.53 = 96,357.20/x
  3. Step 3: Cross multiply
    208,733.76x = 312,913.53 × 96,357.20
  4. Step 4: Simplify right side
    208,733.76x = 30,151,470,028.35
  5. Step 5: Solve for x
    x = 30,151,470,028.35/208,733.76
  6. Step 6: Final answer
    x = 144,449.42

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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.