Finding the Fourth Proportional to 118,327.19, 163,312.56 and 69,927.06
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Solution
The fourth proportional to 118,327.19, 163,312.56 and 69,927.06 is: 96,511.77
Step by Step Solution
- Step 1: Write the proportion equation
118,327.19 : 163,312.56 = 69,927.06 : x - Step 2: Convert to fraction form
118,327.19/163,312.56 = 69,927.06/x - Step 3: Cross multiply
118,327.19x = 163,312.56 × 69,927.06 - Step 4: Simplify right side
118,327.19x = 11,419,966,832.24 - Step 5: Solve for x
x = 11,419,966,832.24/118,327.19 - Step 6: Final answer
x = 96,511.77
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1.5x scale
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.