Home / 121,895.73-168,148.41-70,902.72

Finding the Fourth Proportional to 121,895.73, 168,148.41 and 70,902.72

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Solution

The fourth proportional to 121,895.73, 168,148.41 and 70,902.72 is: 97,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,895.73 : 168,148.41 = 70,902.72 : x
  2. Step 2: Convert to fraction form
    121,895.73/168,148.41 = 70,902.72/x
  3. Step 3: Cross multiply
    121,895.73x = 168,148.41 × 70,902.72
  4. Step 4: Simplify right side
    121,895.73x = 11,922,180,230.30
  5. Step 5: Solve for x
    x = 11,922,180,230.30/121,895.73
  6. Step 6: Final answer
    x = 97,806.38

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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.