Finding the Fourth Proportional to 119,173.41, 164,487.95 and 68,215.68
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Solution
The fourth proportional to 119,173.41, 164,487.95 and 68,215.68 is: 94,154.03
Step by Step Solution
- Step 1: Write the proportion equation
119,173.41 : 164,487.95 = 68,215.68 : x - Step 2: Convert to fraction form
119,173.41/164,487.95 = 68,215.68/x - Step 3: Cross multiply
119,173.41x = 164,487.95 × 68,215.68 - Step 4: Simplify right side
119,173.41x = 11,220,657,275.79 - Step 5: Solve for x
x = 11,220,657,275.79/119,173.41 - Step 6: Final answer
x = 94,154.03
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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.