Finding the Fourth Proportional to 115,266.18, 159,006.86 and 93,779.93
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Solution
The fourth proportional to 115,266.18, 159,006.86 and 93,779.93 is: 129,367.11
Step by Step Solution
- Step 1: Write the proportion equation
115,266.18 : 159,006.86 = 93,779.93 : x - Step 2: Convert to fraction form
115,266.18/159,006.86 = 93,779.93/x - Step 3: Cross multiply
115,266.18x = 159,006.86 × 93,779.93 - Step 4: Simplify right side
115,266.18x = 14,911,651,718.08 - Step 5: Solve for x
x = 14,911,651,718.08/115,266.18 - Step 6: Final answer
x = 129,367.11
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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.