Finding the Fourth Proportional to 130,258.88, 195,301.44 and 47,142.08
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Solution
The fourth proportional to 130,258.88, 195,301.44 and 47,142.08 is: 70,681.68
Step by Step Solution
- Step 1: Write the proportion equation
130,258.88 : 195,301.44 = 47,142.08 : x - Step 2: Convert to fraction form
130,258.88/195,301.44 = 47,142.08/x - Step 3: Cross multiply
130,258.88x = 195,301.44 × 47,142.08 - Step 4: Simplify right side
130,258.88x = 9,206,916,108.60 - Step 5: Solve for x
x = 9,206,916,108.60/130,258.88 - Step 6: Final answer
x = 70,681.68
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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.