Finding the Fourth Proportional to 113,133.31, 156,124.96 and 62,147.08
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Solution
The fourth proportional to 113,133.31, 156,124.96 and 62,147.08 is: 85,763.52
Step by Step Solution
- Step 1: Write the proportion equation
113,133.31 : 156,124.96 = 62,147.08 : x - Step 2: Convert to fraction form
113,133.31/156,124.96 = 62,147.08/x - Step 3: Cross multiply
113,133.31x = 156,124.96 × 62,147.08 - Step 4: Simplify right side
113,133.31x = 9,702,710,768.48 - Step 5: Solve for x
x = 9,702,710,768.48/113,133.31 - Step 6: Final answer
x = 85,763.52
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1.5x scale
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.