Finding the Fourth Proportional to 124,815.78, 187,186.68 and 36,070.08
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Solution
The fourth proportional to 124,815.78, 187,186.68 and 36,070.08 is: 54,094.43
Step by Step Solution
- Step 1: Write the proportion equation
124,815.78 : 187,186.68 = 36,070.08 : x - Step 2: Convert to fraction form
124,815.78/187,186.68 = 36,070.08/x - Step 3: Cross multiply
124,815.78x = 187,186.68 × 36,070.08 - Step 4: Simplify right side
124,815.78x = 6,751,838,522.53 - Step 5: Solve for x
x = 6,751,838,522.53/124,815.78 - Step 6: Final answer
x = 54,094.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.