Finding the Fourth Proportional to 134,675.84, 185,853.95 and 74,248.70
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Solution
The fourth proportional to 134,675.84, 185,853.95 and 74,248.70 is: 102,463.91
Step by Step Solution
- Step 1: Write the proportion equation
134,675.84 : 185,853.95 = 74,248.70 : x - Step 2: Convert to fraction form
134,675.84/185,853.95 = 74,248.70/x - Step 3: Cross multiply
134,675.84x = 185,853.95 × 74,248.70 - Step 4: Simplify right side
134,675.84x = 13,799,412,876.85 - Step 5: Solve for x
x = 13,799,412,876.85/134,675.84 - Step 6: Final answer
x = 102,463.91
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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.