Home / 121,148.70-167,185.18-67,432.57

Finding the Fourth Proportional to 121,148.70, 167,185.18 and 67,432.57

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Solution

The fourth proportional to 121,148.70, 167,185.18 and 67,432.57 is: 93,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,148.70 : 167,185.18 = 67,432.57 : x
  2. Step 2: Convert to fraction form
    121,148.70/167,185.18 = 67,432.57/x
  3. Step 3: Cross multiply
    121,148.70x = 167,185.18 × 67,432.57
  4. Step 4: Simplify right side
    121,148.70x = 11,273,726,019.64
  5. Step 5: Solve for x
    x = 11,273,726,019.64/121,148.70
  6. Step 6: Final answer
    x = 93,056.93

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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.