Finding the Fourth Proportional to 133,372.04, 184,058.16 and 72,939.08
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Solution
The fourth proportional to 133,372.04, 184,058.16 and 72,939.08 is: 100,658.53
Step by Step Solution
- Step 1: Write the proportion equation
133,372.04 : 184,058.16 = 72,939.08 : x - Step 2: Convert to fraction form
133,372.04/184,058.16 = 72,939.08/x - Step 3: Cross multiply
133,372.04x = 184,058.16 × 72,939.08 - Step 4: Simplify right side
133,372.04x = 13,425,032,856.89 - Step 5: Solve for x
x = 13,425,032,856.89/133,372.04 - Step 6: Final answer
x = 100,658.53
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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.