Finding the Fourth Proportional to 125,259.95, 187,553.67 and 97,971.68
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Solution
The fourth proportional to 125,259.95, 187,553.67 and 97,971.68 is: 146,694.52
Step by Step Solution
- Step 1: Write the proportion equation
125,259.95 : 187,553.67 = 97,971.68 : x - Step 2: Convert to fraction form
125,259.95/187,553.67 = 97,971.68/x - Step 3: Cross multiply
125,259.95x = 187,553.67 × 97,971.68 - Step 4: Simplify right side
125,259.95x = 18,374,948,140.07 - Step 5: Solve for x
x = 18,374,948,140.07/125,259.95 - Step 6: Final answer
x = 146,694.52
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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.