Finding the Fourth Proportional to 122,867.03, 169,538.06 and 69,148.84
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Solution
The fourth proportional to 122,867.03, 169,538.06 and 69,148.84 is: 95,415.02
Step by Step Solution
- Step 1: Write the proportion equation
122,867.03 : 169,538.06 = 69,148.84 : x - Step 2: Convert to fraction form
122,867.03/169,538.06 = 69,148.84/x - Step 3: Cross multiply
122,867.03x = 169,538.06 × 69,148.84 - Step 4: Simplify right side
122,867.03x = 11,723,360,251.76 - Step 5: Solve for x
x = 11,723,360,251.76/122,867.03 - Step 6: Final answer
x = 95,415.02
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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.