Home / 121,624.56-167,840.15-67,910.42

Finding the Fourth Proportional to 121,624.56, 167,840.15 and 67,910.42

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Solution

The fourth proportional to 121,624.56, 167,840.15 and 67,910.42 is: 93,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,624.56 : 167,840.15 = 67,910.42 : x
  2. Step 2: Convert to fraction form
    121,624.56/167,840.15 = 67,910.42/x
  3. Step 3: Cross multiply
    121,624.56x = 167,840.15 × 67,910.42
  4. Step 4: Simplify right side
    121,624.56x = 11,398,095,079.36
  5. Step 5: Solve for x
    x = 11,398,095,079.36/121,624.56
  6. Step 6: Final answer
    x = 93,715.41

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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.