Home / 121,467.87-182,263.33-81,941.94

Finding the Fourth Proportional to 121,467.87, 182,263.33 and 81,941.94

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Solution

The fourth proportional to 121,467.87, 182,263.33 and 81,941.94 is: 122,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,467.87 : 182,263.33 = 81,941.94 : x
  2. Step 2: Convert to fraction form
    121,467.87/182,263.33 = 81,941.94/x
  3. Step 3: Cross multiply
    121,467.87x = 182,263.33 × 81,941.94
  4. Step 4: Simplify right side
    121,467.87x = 14,935,010,864.10
  5. Step 5: Solve for x
    x = 14,935,010,864.10/121,467.87
  6. Step 6: Final answer
    x = 122,954.42

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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.