Finding the Fourth Proportional to 118,246.90, 177,370.35 and 73,923.70
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Solution
The fourth proportional to 118,246.90, 177,370.35 and 73,923.70 is: 110,885.55
Step by Step Solution
- Step 1: Write the proportion equation
118,246.90 : 177,370.35 = 73,923.70 : x - Step 2: Convert to fraction form
118,246.90/177,370.35 = 73,923.70/x - Step 3: Cross multiply
118,246.90x = 177,370.35 × 73,923.70 - Step 4: Simplify right side
118,246.90x = 13,111,872,542.30 - Step 5: Solve for x
x = 13,111,872,542.30/118,246.90 - Step 6: Final answer
x = 110,885.55
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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.