Finding the Fourth Proportional to 133,928.19, 184,659.26 and 115,746.02
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Solution
The fourth proportional to 133,928.19, 184,659.26 and 115,746.02 is: 159,589.81
Step by Step Solution
- Step 1: Write the proportion equation
133,928.19 : 184,659.26 = 115,746.02 : x - Step 2: Convert to fraction form
133,928.19/184,659.26 = 115,746.02/x - Step 3: Cross multiply
133,928.19x = 184,659.26 × 115,746.02 - Step 4: Simplify right side
133,928.19x = 21,373,575,152.16 - Step 5: Solve for x
x = 21,373,575,152.16/133,928.19 - Step 6: Final answer
x = 159,589.81
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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.