Finding the Fourth Proportional to 130,538.24, 180,151.68 and 73,950.08
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Solution
The fourth proportional to 130,538.24, 180,151.68 and 73,950.08 is: 102,056.16
Step by Step Solution
- Step 1: Write the proportion equation
130,538.24 : 180,151.68 = 73,950.08 : x - Step 2: Convert to fraction form
130,538.24/180,151.68 = 73,950.08/x - Step 3: Cross multiply
130,538.24x = 180,151.68 × 73,950.08 - Step 4: Simplify right side
130,538.24x = 13,322,231,148.13 - Step 5: Solve for x
x = 13,322,231,148.13/130,538.24 - Step 6: Final answer
x = 102,056.16
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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.