Finding the Fourth Proportional to 118,539.95, 163,587.86 and 73,248.99
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Solution
The fourth proportional to 118,539.95, 163,587.86 and 73,248.99 is: 101,085.29
Step by Step Solution
- Step 1: Write the proportion equation
118,539.95 : 163,587.86 = 73,248.99 : x - Step 2: Convert to fraction form
118,539.95/163,587.86 = 73,248.99/x - Step 3: Cross multiply
118,539.95x = 163,587.86 × 73,248.99 - Step 4: Simplify right side
118,539.95x = 11,982,645,155.02 - Step 5: Solve for x
x = 11,982,645,155.02/118,539.95 - Step 6: Final answer
x = 101,085.29
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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.