Finding the Fourth Proportional to 106,707.24, 147,258.95 and 58,963.68
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Solution
The fourth proportional to 106,707.24, 147,258.95 and 58,963.68 is: 81,371.51
Step by Step Solution
- Step 1: Write the proportion equation
106,707.24 : 147,258.95 = 58,963.68 : x - Step 2: Convert to fraction form
106,707.24/147,258.95 = 58,963.68/x - Step 3: Cross multiply
106,707.24x = 147,258.95 × 58,963.68 - Step 4: Simplify right side
106,707.24x = 8,682,929,310.12 - Step 5: Solve for x
x = 8,682,929,310.12/106,707.24 - Step 6: Final answer
x = 81,371.51
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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.