Home / 103,404.30-155,106.45-92,906.70

Finding the Fourth Proportional to 103,404.30, 155,106.45 and 92,906.70

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Solution

The fourth proportional to 103,404.30, 155,106.45 and 92,906.70 is: 139,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,404.30 : 155,106.45 = 92,906.70 : x
  2. Step 2: Convert to fraction form
    103,404.30/155,106.45 = 92,906.70/x
  3. Step 3: Cross multiply
    103,404.30x = 155,106.45 × 92,906.70
  4. Step 4: Simplify right side
    103,404.30x = 14,410,428,418.22
  5. Step 5: Solve for x
    x = 14,410,428,418.22/103,404.30
  6. Step 6: Final answer
    x = 139,360.05

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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.