Finding the Fourth Proportional to 103,437.80, 155,156.70 and 96,056.68
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Solution
The fourth proportional to 103,437.80, 155,156.70 and 96,056.68 is: 144,085.02
Step by Step Solution
- Step 1: Write the proportion equation
103,437.80 : 155,156.70 = 96,056.68 : x - Step 2: Convert to fraction form
103,437.80/155,156.70 = 96,056.68/x - Step 3: Cross multiply
103,437.80x = 155,156.70 × 96,056.68 - Step 4: Simplify right side
103,437.80x = 14,903,837,481.76 - Step 5: Solve for x
x = 14,903,837,481.76/103,437.80 - Step 6: Final answer
x = 144,085.02
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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.