Finding the Fourth Proportional to 133,654.13, 184,442.70 and 74,038.13
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Solution
The fourth proportional to 133,654.13, 184,442.70 and 74,038.13 is: 102,172.62
Step by Step Solution
- Step 1: Write the proportion equation
133,654.13 : 184,442.70 = 74,038.13 : x - Step 2: Convert to fraction form
133,654.13/184,442.70 = 74,038.13/x - Step 3: Cross multiply
133,654.13x = 184,442.70 × 74,038.13 - Step 4: Simplify right side
133,654.13x = 13,655,791,677.94 - Step 5: Solve for x
x = 13,655,791,677.94/133,654.13 - Step 6: Final answer
x = 102,172.62
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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.