Finding the Fourth Proportional to 130,206.93, 179,684.69 and 73,618.53
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Solution
The fourth proportional to 130,206.93, 179,684.69 and 73,618.53 is: 101,593.08
Step by Step Solution
- Step 1: Write the proportion equation
130,206.93 : 179,684.69 = 73,618.53 : x - Step 2: Convert to fraction form
130,206.93/179,684.69 = 73,618.53/x - Step 3: Cross multiply
130,206.93x = 179,684.69 × 73,618.53 - Step 4: Simplify right side
130,206.93x = 13,228,122,741.31 - Step 5: Solve for x
x = 13,228,122,741.31/130,206.93 - Step 6: Final answer
x = 101,593.08
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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.