Home / 121,960.08-168,299.40-67,514.28

Finding the Fourth Proportional to 121,960.08, 168,299.40 and 67,514.28

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Solution

The fourth proportional to 121,960.08, 168,299.40 and 67,514.28 is: 93,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,960.08 : 168,299.40 = 67,514.28 : x
  2. Step 2: Convert to fraction form
    121,960.08/168,299.40 = 67,514.28/x
  3. Step 3: Cross multiply
    121,960.08x = 168,299.40 × 67,514.28
  4. Step 4: Simplify right side
    121,960.08x = 11,362,612,815.43
  5. Step 5: Solve for x
    x = 11,362,612,815.43/121,960.08
  6. Step 6: Final answer
    x = 93,166.66

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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.