Home / 143,973.88-198,671.49-92,988.83

Finding the Fourth Proportional to 143,973.88, 198,671.49 and 92,988.83

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Solution

The fourth proportional to 143,973.88, 198,671.49 and 92,988.83 is: 128,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,973.88 : 198,671.49 = 92,988.83 : x
  2. Step 2: Convert to fraction form
    143,973.88/198,671.49 = 92,988.83/x
  3. Step 3: Cross multiply
    143,973.88x = 198,671.49 × 92,988.83
  4. Step 4: Simplify right side
    143,973.88x = 18,474,229,409.46
  5. Step 5: Solve for x
    x = 18,474,229,409.46/143,973.88
  6. Step 6: Final answer
    x = 128,316.53

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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.