Finding the Fourth Proportional to 159,956.24, 220,739.76 and 88,336.55
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Solution
The fourth proportional to 159,956.24, 220,739.76 and 88,336.55 is: 121,904.53
Step by Step Solution
- Step 1: Write the proportion equation
159,956.24 : 220,739.76 = 88,336.55 : x - Step 2: Convert to fraction form
159,956.24/220,739.76 = 88,336.55/x - Step 3: Cross multiply
159,956.24x = 220,739.76 × 88,336.55 - Step 4: Simplify right side
159,956.24x = 19,499,389,398.08 - Step 5: Solve for x
x = 19,499,389,398.08/159,956.24 - Step 6: Final answer
x = 121,904.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.