Finding the Fourth Proportional to 97,507.60, 145,976.28 and 88,169.08
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Solution
The fourth proportional to 97,507.60, 145,976.28 and 88,169.08 is: 131,995.81
Step by Step Solution
- Step 1: Write the proportion equation
97,507.60 : 145,976.28 = 88,169.08 : x - Step 2: Convert to fraction form
97,507.60/145,976.28 = 88,169.08/x - Step 3: Cross multiply
97,507.60x = 145,976.28 × 88,169.08 - Step 4: Simplify right side
97,507.60x = 12,870,594,309.42 - Step 5: Solve for x
x = 12,870,594,309.42/97,507.60 - Step 6: Final answer
x = 131,995.81
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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.