Home / 143,019.22-197,353.48-84,865.93

Finding the Fourth Proportional to 143,019.22, 197,353.48 and 84,865.93

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Solution

The fourth proportional to 143,019.22, 197,353.48 and 84,865.93 is: 117,107.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,019.22 : 197,353.48 = 84,865.93 : x
  2. Step 2: Convert to fraction form
    143,019.22/197,353.48 = 84,865.93/x
  3. Step 3: Cross multiply
    143,019.22x = 197,353.48 × 84,865.93
  4. Step 4: Simplify right side
    143,019.22x = 16,748,586,618.94
  5. Step 5: Solve for x
    x = 16,748,586,618.94/143,019.22
  6. Step 6: Final answer
    x = 117,107.24

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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.