Finding the Fourth Proportional to 102,572.48, 153,597.36 and 86,826.08
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Solution
The fourth proportional to 102,572.48, 153,597.36 and 86,826.08 is: 130,017.88
Step by Step Solution
- Step 1: Write the proportion equation
102,572.48 : 153,597.36 = 86,826.08 : x - Step 2: Convert to fraction form
102,572.48/153,597.36 = 86,826.08/x - Step 3: Cross multiply
102,572.48x = 153,597.36 × 86,826.08 - Step 4: Simplify right side
102,572.48x = 13,336,256,667.15 - Step 5: Solve for x
x = 13,336,256,667.15/102,572.48 - Step 6: Final answer
x = 130,017.88
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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.