Finding the Fourth Proportional to 130,668.68, 195,847.50 and 91,011.08
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Solution
The fourth proportional to 130,668.68, 195,847.50 and 91,011.08 is: 136,408.30
Step by Step Solution
- Step 1: Write the proportion equation
130,668.68 : 195,847.50 = 91,011.08 : x - Step 2: Convert to fraction form
130,668.68/195,847.50 = 91,011.08/x - Step 3: Cross multiply
130,668.68x = 195,847.50 × 91,011.08 - Step 4: Simplify right side
130,668.68x = 17,824,292,490.30 - Step 5: Solve for x
x = 17,824,292,490.30/130,668.68 - Step 6: Final answer
x = 136,408.30
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1.5x scale
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.