Home / 143,114.30-197,361.73-104,316.86

Finding the Fourth Proportional to 143,114.30, 197,361.73 and 104,316.86

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Solution

The fourth proportional to 143,114.30, 197,361.73 and 104,316.86 is: 143,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,114.30 : 197,361.73 = 104,316.86 : x
  2. Step 2: Convert to fraction form
    143,114.30/197,361.73 = 104,316.86/x
  3. Step 3: Cross multiply
    143,114.30x = 197,361.73 × 104,316.86
  4. Step 4: Simplify right side
    143,114.30x = 20,588,155,957.77
  5. Step 5: Solve for x
    x = 20,588,155,957.77/143,114.30
  6. Step 6: Final answer
    x = 143,858.13

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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.