Finding the Fourth Proportional to 110,941.87, 153,211.62 and 70,673.80
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Solution
The fourth proportional to 110,941.87, 153,211.62 and 70,673.80 is: 97,601.09
Step by Step Solution
- Step 1: Write the proportion equation
110,941.87 : 153,211.62 = 70,673.80 : x - Step 2: Convert to fraction form
110,941.87/153,211.62 = 70,673.80/x - Step 3: Cross multiply
110,941.87x = 153,211.62 × 70,673.80 - Step 4: Simplify right side
110,941.87x = 10,828,047,389.56 - Step 5: Solve for x
x = 10,828,047,389.56/110,941.87 - Step 6: Final answer
x = 97,601.09
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1.5x scale
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.