Finding the Fourth Proportional to 168,707.99, 232,666.13 and 139,982.08
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Solution
The fourth proportional to 168,707.99, 232,666.13 and 139,982.08 is: 193,050.08
Step by Step Solution
- Step 1: Write the proportion equation
168,707.99 : 232,666.13 = 139,982.08 : x - Step 2: Convert to fraction form
168,707.99/232,666.13 = 139,982.08/x - Step 3: Cross multiply
168,707.99x = 232,666.13 × 139,982.08 - Step 4: Simplify right side
168,707.99x = 32,569,090,045.40 - Step 5: Solve for x
x = 32,569,090,045.40/168,707.99 - Step 6: Final answer
x = 193,050.08
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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.