Home / 112,098.21-167,972.15-70,457.73

Finding the Fourth Proportional to 112,098.21, 167,972.15 and 70,457.73

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Solution

The fourth proportional to 112,098.21, 167,972.15 and 70,457.73 is: 105,576.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,098.21 : 167,972.15 = 70,457.73 : x
  2. Step 2: Convert to fraction form
    112,098.21/167,972.15 = 70,457.73/x
  3. Step 3: Cross multiply
    112,098.21x = 167,972.15 × 70,457.73
  4. Step 4: Simplify right side
    112,098.21x = 11,834,936,039.93
  5. Step 5: Solve for x
    x = 11,834,936,039.93/112,098.21
  6. Step 6: Final answer
    x = 105,576.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.