Finding the Fourth Proportional to 97,509.60, 145,979.28 and 88,171.08
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Solution
The fourth proportional to 97,509.60, 145,979.28 and 88,171.08 is: 131,998.81
Step by Step Solution
- Step 1: Write the proportion equation
97,509.60 : 145,979.28 = 88,171.08 : x - Step 2: Convert to fraction form
97,509.60/145,979.28 = 88,171.08/x - Step 3: Cross multiply
97,509.60x = 145,979.28 × 88,171.08 - Step 4: Simplify right side
97,509.60x = 12,871,150,775.22 - Step 5: Solve for x
x = 12,871,150,775.22/97,509.60 - Step 6: Final answer
x = 131,998.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.