Home / 112,450.00-155,165.99-72,218.21

Finding the Fourth Proportional to 112,450.00, 155,165.99 and 72,218.21

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Solution

The fourth proportional to 112,450.00, 155,165.99 and 72,218.21 is: 99,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,450.00 : 155,165.99 = 72,218.21 : x
  2. Step 2: Convert to fraction form
    112,450.00/155,165.99 = 72,218.21/x
  3. Step 3: Cross multiply
    112,450.00x = 155,165.99 × 72,218.21
  4. Step 4: Simplify right side
    112,450.00x = 11,205,809,274.85
  5. Step 5: Solve for x
    x = 11,205,809,274.85/112,450.00
  6. Step 6: Final answer
    x = 99,651.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.