Home / 183,985.22-275,919.50-78,775.94

Finding the Fourth Proportional to 183,985.22, 275,919.50 and 78,775.94

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Solution

The fourth proportional to 183,985.22, 275,919.50 and 78,775.94 is: 118,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,985.22 : 275,919.50 = 78,775.94 : x
  2. Step 2: Convert to fraction form
    183,985.22/275,919.50 = 78,775.94/x
  3. Step 3: Cross multiply
    183,985.22x = 275,919.50 × 78,775.94
  4. Step 4: Simplify right side
    183,985.22x = 21,735,817,976.83
  5. Step 5: Solve for x
    x = 21,735,817,976.83/183,985.22
  6. Step 6: Final answer
    x = 118,138.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.