Home / 121,162.42-167,213.19-70,188.85

Finding the Fourth Proportional to 121,162.42, 167,213.19 and 70,188.85

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Solution

The fourth proportional to 121,162.42, 167,213.19 and 70,188.85 is: 96,865.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.42 : 167,213.19 = 70,188.85 : x
  2. Step 2: Convert to fraction form
    121,162.42/167,213.19 = 70,188.85/x
  3. Step 3: Cross multiply
    121,162.42x = 167,213.19 × 70,188.85
  4. Step 4: Simplify right side
    121,162.42x = 11,736,501,510.93
  5. Step 5: Solve for x
    x = 11,736,501,510.93/121,162.42
  6. Step 6: Final answer
    x = 96,865.86

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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.