Finding the Fourth Proportional to 134,701.84, 185,852.08 and 76,557.76
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Solution
The fourth proportional to 134,701.84, 185,852.08 and 76,557.76 is: 105,628.99
Step by Step Solution
- Step 1: Write the proportion equation
134,701.84 : 185,852.08 = 76,557.76 : x - Step 2: Convert to fraction form
134,701.84/185,852.08 = 76,557.76/x - Step 3: Cross multiply
134,701.84x = 185,852.08 × 76,557.76 - Step 4: Simplify right side
134,701.84x = 14,228,418,936.14 - Step 5: Solve for x
x = 14,228,418,936.14/134,701.84 - Step 6: Final answer
x = 105,628.99
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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.