Finding the Fourth Proportional to 147,552.07, 203,588.80 and 87,090.29
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Solution
The fourth proportional to 147,552.07, 203,588.80 and 87,090.29 is: 120,165.09
Step by Step Solution
- Step 1: Write the proportion equation
147,552.07 : 203,588.80 = 87,090.29 : x - Step 2: Convert to fraction form
147,552.07/203,588.80 = 87,090.29/x - Step 3: Cross multiply
147,552.07x = 203,588.80 × 87,090.29 - Step 4: Simplify right side
147,552.07x = 17,730,607,221.78 - Step 5: Solve for x
x = 17,730,607,221.78/147,552.07 - Step 6: Final answer
x = 120,165.09
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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.