Finding the Fourth Proportional to 130,256.91, 195,385.37 and 36,762.66
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Solution
The fourth proportional to 130,256.91, 195,385.37 and 36,762.66 is: 55,143.99
Step by Step Solution
- Step 1: Write the proportion equation
130,256.91 : 195,385.37 = 36,762.66 : x - Step 2: Convert to fraction form
130,256.91/195,385.37 = 36,762.66/x - Step 3: Cross multiply
130,256.91x = 195,385.37 × 36,762.66 - Step 4: Simplify right side
130,256.91x = 7,182,885,742.47 - Step 5: Solve for x
x = 7,182,885,742.47/130,256.91 - Step 6: Final answer
x = 55,143.99
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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.