Home / 104,166.40-155,334.89-103,219.15

Finding the Fourth Proportional to 104,166.40, 155,334.89 and 103,219.15

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Solution

The fourth proportional to 104,166.40, 155,334.89 and 103,219.15 is: 153,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.40 : 155,334.89 = 103,219.15 : x
  2. Step 2: Convert to fraction form
    104,166.40/155,334.89 = 103,219.15/x
  3. Step 3: Cross multiply
    104,166.40x = 155,334.89 × 103,219.15
  4. Step 4: Simplify right side
    104,166.40x = 16,033,535,311.14
  5. Step 5: Solve for x
    x = 16,033,535,311.14/104,166.40
  6. Step 6: Final answer
    x = 153,922.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.