Finding the Fourth Proportional to 145,670.40, 201,056.18 and 97,896.07
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Solution
The fourth proportional to 145,670.40, 201,056.18 and 97,896.07 is: 135,117.42
Step by Step Solution
- Step 1: Write the proportion equation
145,670.40 : 201,056.18 = 97,896.07 : x - Step 2: Convert to fraction form
145,670.40/201,056.18 = 97,896.07/x - Step 3: Cross multiply
145,670.40x = 201,056.18 × 97,896.07 - Step 4: Simplify right side
145,670.40x = 19,682,609,067.58 - Step 5: Solve for x
x = 19,682,609,067.58/145,670.40 - Step 6: Final answer
x = 135,117.42
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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.