Finding the Fourth Proportional to 141,631.84, 195,030.36 and 138,488.56
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Solution
The fourth proportional to 141,631.84, 195,030.36 and 138,488.56 is: 190,701.99
Step by Step Solution
- Step 1: Write the proportion equation
141,631.84 : 195,030.36 = 138,488.56 : x - Step 2: Convert to fraction form
141,631.84/195,030.36 = 138,488.56/x - Step 3: Cross multiply
141,631.84x = 195,030.36 × 138,488.56 - Step 4: Simplify right side
141,631.84x = 27,009,473,712.68 - Step 5: Solve for x
x = 27,009,473,712.68/141,631.84 - Step 6: Final answer
x = 190,701.99
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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.