Home / 145,974.02-218,993.79-46,140.02

Finding the Fourth Proportional to 145,974.02, 218,993.79 and 46,140.02

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Solution

The fourth proportional to 145,974.02, 218,993.79 and 46,140.02 is: 69,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,974.02 : 218,993.79 = 46,140.02 : x
  2. Step 2: Convert to fraction form
    145,974.02/218,993.79 = 46,140.02/x
  3. Step 3: Cross multiply
    145,974.02x = 218,993.79 × 46,140.02
  4. Step 4: Simplify right side
    145,974.02x = 10,104,377,850.48
  5. Step 5: Solve for x
    x = 10,104,377,850.48/145,974.02
  6. Step 6: Final answer
    x = 69,220.38

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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.