Finding the Fourth Proportional to 125,130.71, 187,714.36 and 36,372.68
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Solution
The fourth proportional to 125,130.71, 187,714.36 and 36,372.68 is: 54,564.34
Step by Step Solution
- Step 1: Write the proportion equation
125,130.71 : 187,714.36 = 36,372.68 : x - Step 2: Convert to fraction form
125,130.71/187,714.36 = 36,372.68/x - Step 3: Cross multiply
125,130.71x = 187,714.36 × 36,372.68 - Step 4: Simplify right side
125,130.71x = 6,827,674,158.51 - Step 5: Solve for x
x = 6,827,674,158.51/125,130.71 - Step 6: Final answer
x = 54,564.34
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1.5x scale
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.