Finding the Fourth Proportional to 134,887.30, 202,330.95 and 64,749.70
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Solution
The fourth proportional to 134,887.30, 202,330.95 and 64,749.70 is: 97,124.55
Step by Step Solution
- Step 1: Write the proportion equation
134,887.30 : 202,330.95 = 64,749.70 : x - Step 2: Convert to fraction form
134,887.30/202,330.95 = 64,749.70/x - Step 3: Cross multiply
134,887.30x = 202,330.95 × 64,749.70 - Step 4: Simplify right side
134,887.30x = 13,100,868,313.22 - Step 5: Solve for x
x = 13,100,868,313.22/134,887.30 - Step 6: Final answer
x = 97,124.55
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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.