Home / 121,774.87-168,050.38-67,326.16

Finding the Fourth Proportional to 121,774.87, 168,050.38 and 67,326.16

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Solution

The fourth proportional to 121,774.87, 168,050.38 and 67,326.16 is: 92,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,774.87 : 168,050.38 = 67,326.16 : x
  2. Step 2: Convert to fraction form
    121,774.87/168,050.38 = 67,326.16/x
  3. Step 3: Cross multiply
    121,774.87x = 168,050.38 × 67,326.16
  4. Step 4: Simplify right side
    121,774.87x = 11,314,186,771.94
  5. Step 5: Solve for x
    x = 11,314,186,771.94/121,774.87
  6. Step 6: Final answer
    x = 92,910.69

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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.