Home / 143,337.28-197,827.04-103,184

Finding the Fourth Proportional to 143,337.28, 197,827.04 and 103,184

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Solution

The fourth proportional to 143,337.28, 197,827.04 and 103,184 is: 142,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.28 : 197,827.04 = 103,184 : x
  2. Step 2: Convert to fraction form
    143,337.28/197,827.04 = 103,184/x
  3. Step 3: Cross multiply
    143,337.28x = 197,827.04 × 103,184
  4. Step 4: Simplify right side
    143,337.28x = 20,412,585,295.36
  5. Step 5: Solve for x
    x = 20,412,585,295.36/143,337.28
  6. Step 6: Final answer
    x = 142,409.46

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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.