Finding the Fourth Proportional to 133,972.06, 184,968.05 and 83,038.96
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Solution
The fourth proportional to 133,972.06, 184,968.05 and 83,038.96 is: 114,647.45
Step by Step Solution
- Step 1: Write the proportion equation
133,972.06 : 184,968.05 = 83,038.96 : x - Step 2: Convert to fraction form
133,972.06/184,968.05 = 83,038.96/x - Step 3: Cross multiply
133,972.06x = 184,968.05 × 83,038.96 - Step 4: Simplify right side
133,972.06x = 15,359,554,505.23 - Step 5: Solve for x
x = 15,359,554,505.23/133,972.06 - Step 6: Final answer
x = 114,647.45
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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.