Finding the Fourth Proportional to 124,421.72, 186,465.18 and 68,177.48
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Solution
The fourth proportional to 124,421.72, 186,465.18 and 68,177.48 is: 102,174.49
Step by Step Solution
- Step 1: Write the proportion equation
124,421.72 : 186,465.18 = 68,177.48 : x - Step 2: Convert to fraction form
124,421.72/186,465.18 = 68,177.48/x - Step 3: Cross multiply
124,421.72x = 186,465.18 × 68,177.48 - Step 4: Simplify right side
124,421.72x = 12,712,726,080.15 - Step 5: Solve for x
x = 12,712,726,080.15/124,421.72 - Step 6: Final answer
x = 102,174.49
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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.