Home / 144,309.42-199,090.58-83,869.25

Finding the Fourth Proportional to 144,309.42, 199,090.58 and 83,869.25

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Solution

The fourth proportional to 144,309.42, 199,090.58 and 83,869.25 is: 115,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,309.42 : 199,090.58 = 83,869.25 : x
  2. Step 2: Convert to fraction form
    144,309.42/199,090.58 = 83,869.25/x
  3. Step 3: Cross multiply
    144,309.42x = 199,090.58 × 83,869.25
  4. Step 4: Simplify right side
    144,309.42x = 16,697,576,211.87
  5. Step 5: Solve for x
    x = 16,697,576,211.87/144,309.42
  6. Step 6: Final answer
    x = 115,706.77

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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.