Home / 143,953.50-198,656.56-80,293.98

Finding the Fourth Proportional to 143,953.50, 198,656.56 and 80,293.98

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Solution

The fourth proportional to 143,953.50, 198,656.56 and 80,293.98 is: 110,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,953.50 : 198,656.56 = 80,293.98 : x
  2. Step 2: Convert to fraction form
    143,953.50/198,656.56 = 80,293.98/x
  3. Step 3: Cross multiply
    143,953.50x = 198,656.56 × 80,293.98
  4. Step 4: Simplify right side
    143,953.50x = 15,950,925,855.51
  5. Step 5: Solve for x
    x = 15,950,925,855.51/143,953.50
  6. Step 6: Final answer
    x = 110,806.10

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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.