Finding the Fourth Proportional to 133,379.19, 184,130.15 and 103,095.99
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Solution
The fourth proportional to 133,379.19, 184,130.15 and 103,095.99 is: 142,324.15
Step by Step Solution
- Step 1: Write the proportion equation
133,379.19 : 184,130.15 = 103,095.99 : x - Step 2: Convert to fraction form
133,379.19/184,130.15 = 103,095.99/x - Step 3: Cross multiply
133,379.19x = 184,130.15 × 103,095.99 - Step 4: Simplify right side
133,379.19x = 18,983,079,587.62 - Step 5: Solve for x
x = 18,983,079,587.62/133,379.19 - Step 6: Final answer
x = 142,324.15
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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.