Finding the Fourth Proportional to 134,572.92, 185,715.50 and 83,613.75
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Solution
The fourth proportional to 134,572.92, 185,715.50 and 83,613.75 is: 115,390.00
Step by Step Solution
- Step 1: Write the proportion equation
134,572.92 : 185,715.50 = 83,613.75 : x - Step 2: Convert to fraction form
134,572.92/185,715.50 = 83,613.75/x - Step 3: Cross multiply
134,572.92x = 185,715.50 × 83,613.75 - Step 4: Simplify right side
134,572.92x = 15,528,368,970.06 - Step 5: Solve for x
x = 15,528,368,970.06/134,572.92 - Step 6: Final answer
x = 115,390.00
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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.