Home / 103,061.62-154,281.21-93,205.54

Finding the Fourth Proportional to 103,061.62, 154,281.21 and 93,205.54

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Solution

The fourth proportional to 103,061.62, 154,281.21 and 93,205.54 is: 139,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,061.62 : 154,281.21 = 93,205.54 : x
  2. Step 2: Convert to fraction form
    103,061.62/154,281.21 = 93,205.54/x
  3. Step 3: Cross multiply
    103,061.62x = 154,281.21 × 93,205.54
  4. Step 4: Simplify right side
    103,061.62x = 14,379,863,489.90
  5. Step 5: Solve for x
    x = 14,379,863,489.90/103,061.62
  6. Step 6: Final answer
    x = 139,526.85

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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.