Home / 104,668.11-144,440.62-56,920.42

Finding the Fourth Proportional to 104,668.11, 144,440.62 and 56,920.42

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Solution

The fourth proportional to 104,668.11, 144,440.62 and 56,920.42 is: 78,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,668.11 : 144,440.62 = 56,920.42 : x
  2. Step 2: Convert to fraction form
    104,668.11/144,440.62 = 56,920.42/x
  3. Step 3: Cross multiply
    104,668.11x = 144,440.62 × 56,920.42
  4. Step 4: Simplify right side
    104,668.11x = 8,221,620,755.46
  5. Step 5: Solve for x
    x = 8,221,620,755.46/104,668.11
  6. Step 6: Final answer
    x = 78,549.43

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1.5x scale

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.