Home / 143,470.98-197,852.76-109,419.12

Finding the Fourth Proportional to 143,470.98, 197,852.76 and 109,419.12

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Solution

The fourth proportional to 143,470.98, 197,852.76 and 109,419.12 is: 150,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,470.98 : 197,852.76 = 109,419.12 : x
  2. Step 2: Convert to fraction form
    143,470.98/197,852.76 = 109,419.12/x
  3. Step 3: Cross multiply
    143,470.98x = 197,852.76 × 109,419.12
  4. Step 4: Simplify right side
    143,470.98x = 21,648,874,888.77
  5. Step 5: Solve for x
    x = 21,648,874,888.77/143,470.98
  6. Step 6: Final answer
    x = 150,893.75

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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.