Home / 103,678.45-155,226.07-93,180.85

Finding the Fourth Proportional to 103,678.45, 155,226.07 and 93,180.85

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Solution

The fourth proportional to 103,678.45, 155,226.07 and 93,180.85 is: 139,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678.45 : 155,226.07 = 93,180.85 : x
  2. Step 2: Convert to fraction form
    103,678.45/155,226.07 = 93,180.85/x
  3. Step 3: Cross multiply
    103,678.45x = 155,226.07 × 93,180.85
  4. Step 4: Simplify right side
    103,678.45x = 14,464,097,144.76
  5. Step 5: Solve for x
    x = 14,464,097,144.76/103,678.45
  6. Step 6: Final answer
    x = 139,509.20

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1.5x scale

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.