Home / 121,294.32-167,385.04-67,578.36

Finding the Fourth Proportional to 121,294.32, 167,385.04 and 67,578.36

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Solution

The fourth proportional to 121,294.32, 167,385.04 and 67,578.36 is: 93,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294.32 : 167,385.04 = 67,578.36 : x
  2. Step 2: Convert to fraction form
    121,294.32/167,385.04 = 67,578.36/x
  3. Step 3: Cross multiply
    121,294.32x = 167,385.04 × 67,578.36
  4. Step 4: Simplify right side
    121,294.32x = 11,311,606,491.73
  5. Step 5: Solve for x
    x = 11,311,606,491.73/121,294.32
  6. Step 6: Final answer
    x = 93,257.51

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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.