Finding the Fourth Proportional to 125,276.24, 172,780.77 and 110,136.80
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Solution
The fourth proportional to 125,276.24, 172,780.77 and 110,136.80 is: 151,900.48
Step by Step Solution
- Step 1: Write the proportion equation
125,276.24 : 172,780.77 = 110,136.80 : x - Step 2: Convert to fraction form
125,276.24/172,780.77 = 110,136.80/x - Step 3: Cross multiply
125,276.24x = 172,780.77 × 110,136.80 - Step 4: Simplify right side
125,276.24x = 19,029,521,109.34 - Step 5: Solve for x
x = 19,029,521,109.34/125,276.24 - Step 6: Final answer
x = 151,900.48
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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.