Home / 208,801.14-313,099.65-145,651.52

Finding the Fourth Proportional to 208,801.14, 313,099.65 and 145,651.52

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Solution

The fourth proportional to 208,801.14, 313,099.65 and 145,651.52 is: 218,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,801.14 : 313,099.65 = 145,651.52 : x
  2. Step 2: Convert to fraction form
    208,801.14/313,099.65 = 145,651.52/x
  3. Step 3: Cross multiply
    208,801.14x = 313,099.65 × 145,651.52
  4. Step 4: Simplify right side
    208,801.14x = 45,603,438,368.47
  5. Step 5: Solve for x
    x = 45,603,438,368.47/208,801.14
  6. Step 6: Final answer
    x = 218,406.08

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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.