Finding the Fourth Proportional to 168,587.62, 232,655.61 and 93,140.98
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Solution
The fourth proportional to 168,587.62, 232,655.61 and 93,140.98 is: 128,537.15
Step by Step Solution
- Step 1: Write the proportion equation
168,587.62 : 232,655.61 = 93,140.98 : x - Step 2: Convert to fraction form
168,587.62/232,655.61 = 93,140.98/x - Step 3: Cross multiply
168,587.62x = 232,655.61 × 93,140.98 - Step 4: Simplify right side
168,587.62x = 21,669,771,517.90 - Step 5: Solve for x
x = 21,669,771,517.90/168,587.62 - Step 6: Final answer
x = 128,537.15
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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.