Finding the Fourth Proportional to 131,773.95, 181,848.12 and 71,344.62
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Solution
The fourth proportional to 131,773.95, 181,848.12 and 71,344.62 is: 98,455.61
Step by Step Solution
- Step 1: Write the proportion equation
131,773.95 : 181,848.12 = 71,344.62 : x - Step 2: Convert to fraction form
131,773.95/181,848.12 = 71,344.62/x - Step 3: Cross multiply
131,773.95x = 181,848.12 × 71,344.62 - Step 4: Simplify right side
131,773.95x = 12,973,885,019.11 - Step 5: Solve for x
x = 12,973,885,019.11/131,773.95 - Step 6: Final answer
x = 98,455.61
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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.