Finding the Fourth Proportional to 159,369.98, 219,930.26 and 87,750.05
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Solution
The fourth proportional to 159,369.98, 219,930.26 and 87,750.05 is: 121,094.89
Step by Step Solution
- Step 1: Write the proportion equation
159,369.98 : 219,930.26 = 87,750.05 : x - Step 2: Convert to fraction form
159,369.98/219,930.26 = 87,750.05/x - Step 3: Cross multiply
159,369.98x = 219,930.26 × 87,750.05 - Step 4: Simplify right side
159,369.98x = 19,298,889,773.11 - Step 5: Solve for x
x = 19,298,889,773.11/159,369.98 - Step 6: Final answer
x = 121,094.89
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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.