Finding the Fourth Proportional to 133,707.06, 184,126.86 and 125,159.40
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Solution
The fourth proportional to 133,707.06, 184,126.86 and 125,159.40 is: 172,355.95
Step by Step Solution
- Step 1: Write the proportion equation
133,707.06 : 184,126.86 = 125,159.40 : x - Step 2: Convert to fraction form
133,707.06/184,126.86 = 125,159.40/x - Step 3: Cross multiply
133,707.06x = 184,126.86 × 125,159.40 - Step 4: Simplify right side
133,707.06x = 23,045,207,321.48 - Step 5: Solve for x
x = 23,045,207,321.48/133,707.06 - Step 6: Final answer
x = 172,355.95
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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.