Finding the Fourth Proportional to 145,950.08, 201,410.98 and 78,882.08
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Solution
The fourth proportional to 145,950.08, 201,410.98 and 78,882.08 is: 108,857.20
Step by Step Solution
- Step 1: Write the proportion equation
145,950.08 : 201,410.98 = 78,882.08 : x - Step 2: Convert to fraction form
145,950.08/201,410.98 = 78,882.08/x - Step 3: Cross multiply
145,950.08x = 201,410.98 × 78,882.08 - Step 4: Simplify right side
145,950.08x = 15,887,716,030.18 - Step 5: Solve for x
x = 15,887,716,030.18/145,950.08 - Step 6: Final answer
x = 108,857.20
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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.