Finding the Fourth Proportional to 130,159.80, 194,807.70 and 94,519.80
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Solution
The fourth proportional to 130,159.80, 194,807.70 and 94,519.80 is: 141,465.99
Step by Step Solution
- Step 1: Write the proportion equation
130,159.80 : 194,807.70 = 94,519.80 : x - Step 2: Convert to fraction form
130,159.80/194,807.70 = 94,519.80/x - Step 3: Cross multiply
130,159.80x = 194,807.70 × 94,519.80 - Step 4: Simplify right side
130,159.80x = 18,413,184,842.46 - Step 5: Solve for x
x = 18,413,184,842.46/130,159.80 - Step 6: Final answer
x = 141,465.99
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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.