Finding the Fourth Proportional to 106,470.90, 159,706.35 and 97,869.30
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Solution
The fourth proportional to 106,470.90, 159,706.35 and 97,869.30 is: 146,803.95
Step by Step Solution
- Step 1: Write the proportion equation
106,470.90 : 159,706.35 = 97,869.30 : x - Step 2: Convert to fraction form
106,470.90/159,706.35 = 97,869.30/x - Step 3: Cross multiply
106,470.90x = 159,706.35 × 97,869.30 - Step 4: Simplify right side
106,470.90x = 15,630,348,680.06 - Step 5: Solve for x
x = 15,630,348,680.06/106,470.90 - Step 6: Final answer
x = 146,803.95
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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.