Finding the Fourth Proportional to 115,875.80, 173,813.70 and 115,875.80
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Solution
The fourth proportional to 115,875.80, 173,813.70 and 115,875.80 is: 173,813.70
Step by Step Solution
- Step 1: Write the proportion equation
115,875.80 : 173,813.70 = 115,875.80 : x - Step 2: Convert to fraction form
115,875.80/173,813.70 = 115,875.80/x - Step 3: Cross multiply
115,875.80x = 173,813.70 × 115,875.80 - Step 4: Simplify right side
115,875.80x = 20,140,801,538.46 - Step 5: Solve for x
x = 20,140,801,538.46/115,875.80 - Step 6: Final answer
x = 173,813.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.