Finding the Fourth Proportional to 97,505.60, 145,973.28 and 88,167.08
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Solution
The fourth proportional to 97,505.60, 145,973.28 and 88,167.08 is: 131,992.81
Step by Step Solution
- Step 1: Write the proportion equation
97,505.60 : 145,973.28 = 88,167.08 : x - Step 2: Convert to fraction form
97,505.60/145,973.28 = 88,167.08/x - Step 3: Cross multiply
97,505.60x = 145,973.28 × 88,167.08 - Step 4: Simplify right side
97,505.60x = 12,870,037,855.62 - Step 5: Solve for x
x = 12,870,037,855.62/97,505.60 - Step 6: Final answer
x = 131,992.81
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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.