Finding the Fourth Proportional to 148,208.08, 204,525.12 and 81,140.08
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Solution
The fourth proportional to 148,208.08, 204,525.12 and 81,140.08 is: 111,972.20
Step by Step Solution
- Step 1: Write the proportion equation
148,208.08 : 204,525.12 = 81,140.08 : x - Step 2: Convert to fraction form
148,208.08/204,525.12 = 81,140.08/x - Step 3: Cross multiply
148,208.08x = 204,525.12 × 81,140.08 - Step 4: Simplify right side
148,208.08x = 16,595,184,598.81 - Step 5: Solve for x
x = 16,595,184,598.81/148,208.08 - Step 6: Final answer
x = 111,972.20
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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.