Home / 126,045.81-173,942.89-69,457.18

Finding the Fourth Proportional to 126,045.81, 173,942.89 and 69,457.18

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Solution

The fourth proportional to 126,045.81, 173,942.89 and 69,457.18 is: 95,850.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,045.81 : 173,942.89 = 69,457.18 : x
  2. Step 2: Convert to fraction form
    126,045.81/173,942.89 = 69,457.18/x
  3. Step 3: Cross multiply
    126,045.81x = 173,942.89 × 69,457.18
  4. Step 4: Simplify right side
    126,045.81x = 12,081,582,620.45
  5. Step 5: Solve for x
    x = 12,081,582,620.45/126,045.81
  6. Step 6: Final answer
    x = 95,850.73

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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.