Home / 103,681.45-155,230.57-93,183.85

Finding the Fourth Proportional to 103,681.45, 155,230.57 and 93,183.85

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Solution

The fourth proportional to 103,681.45, 155,230.57 and 93,183.85 is: 139,513.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.45 : 155,230.57 = 93,183.85 : x
  2. Step 2: Convert to fraction form
    103,681.45/155,230.57 = 93,183.85/x
  3. Step 3: Cross multiply
    103,681.45x = 155,230.57 × 93,183.85
  4. Step 4: Simplify right side
    103,681.45x = 14,464,982,150.29
  5. Step 5: Solve for x
    x = 14,464,982,150.29/103,681.45
  6. Step 6: Final answer
    x = 139,513.69

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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.