Finding the Fourth Proportional to 122,973.96, 169,702.26 and 69,259.08
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Solution
The fourth proportional to 122,973.96, 169,702.26 and 69,259.08 is: 95,576.51
Step by Step Solution
- Step 1: Write the proportion equation
122,973.96 : 169,702.26 = 69,259.08 : x - Step 2: Convert to fraction form
122,973.96/169,702.26 = 69,259.08/x - Step 3: Cross multiply
122,973.96x = 169,702.26 × 69,259.08 - Step 4: Simplify right side
122,973.96x = 11,753,422,401.52 - Step 5: Solve for x
x = 11,753,422,401.52/122,973.96 - Step 6: Final answer
x = 95,576.51
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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.