Finding the Fourth Proportional to 133,908.54, 184,787.58 and 73,477.68
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Solution
The fourth proportional to 133,908.54, 184,787.58 and 73,477.68 is: 101,395.79
Step by Step Solution
- Step 1: Write the proportion equation
133,908.54 : 184,787.58 = 73,477.68 : x - Step 2: Convert to fraction form
133,908.54/184,787.58 = 73,477.68/x - Step 3: Cross multiply
133,908.54x = 184,787.58 × 73,477.68 - Step 4: Simplify right side
133,908.54x = 13,577,762,671.21 - Step 5: Solve for x
x = 13,577,762,671.21/133,908.54 - Step 6: Final answer
x = 101,395.79
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1.5x scale
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.