Home / 143,477.28-198,005.04-119,563.92

Finding the Fourth Proportional to 143,477.28, 198,005.04 and 119,563.92

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Solution

The fourth proportional to 143,477.28, 198,005.04 and 119,563.92 is: 165,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,477.28 : 198,005.04 = 119,563.92 : x
  2. Step 2: Convert to fraction form
    143,477.28/198,005.04 = 119,563.92/x
  3. Step 3: Cross multiply
    143,477.28x = 198,005.04 × 119,563.92
  4. Step 4: Simplify right side
    143,477.28x = 23,674,258,762.16
  5. Step 5: Solve for x
    x = 23,674,258,762.16/143,477.28
  6. Step 6: Final answer
    x = 165,003.54

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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.