Home / 143,075.12-197,496.67-122,850.77

Finding the Fourth Proportional to 143,075.12, 197,496.67 and 122,850.77

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Solution

The fourth proportional to 143,075.12, 197,496.67 and 122,850.77 is: 169,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,075.12 : 197,496.67 = 122,850.77 : x
  2. Step 2: Convert to fraction form
    143,075.12/197,496.67 = 122,850.77/x
  3. Step 3: Cross multiply
    143,075.12x = 197,496.67 × 122,850.77
  4. Step 4: Simplify right side
    143,075.12x = 24,262,617,981.94
  5. Step 5: Solve for x
    x = 24,262,617,981.94/143,075.12
  6. Step 6: Final answer
    x = 169,579.57

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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.