Home / 121,501.54-167,679.57-67,786.66

Finding the Fourth Proportional to 121,501.54, 167,679.57 and 67,786.66

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Solution

The fourth proportional to 121,501.54, 167,679.57 and 67,786.66 is: 93,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,501.54 : 167,679.57 = 67,786.66 : x
  2. Step 2: Convert to fraction form
    121,501.54/167,679.57 = 67,786.66/x
  3. Step 3: Cross multiply
    121,501.54x = 167,679.57 × 67,786.66
  4. Step 4: Simplify right side
    121,501.54x = 11,366,438,000.54
  5. Step 5: Solve for x
    x = 11,366,438,000.54/121,501.54
  6. Step 6: Final answer
    x = 93,549.74

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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.