Finding the Fourth Proportional to 134,455.15, 201,682.73 and 97,130.35
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Solution
The fourth proportional to 134,455.15, 201,682.73 and 97,130.35 is: 145,695.53
Step by Step Solution
- Step 1: Write the proportion equation
134,455.15 : 201,682.73 = 97,130.35 : x - Step 2: Convert to fraction form
134,455.15/201,682.73 = 97,130.35/x - Step 3: Cross multiply
134,455.15x = 201,682.73 × 97,130.35 - Step 4: Simplify right side
134,455.15x = 19,589,513,668.20 - Step 5: Solve for x
x = 19,589,513,668.20/134,455.15 - Step 6: Final answer
x = 145,695.53
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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.