Finding the Fourth Proportional to 106,564.80, 147,048.94 and 58,815.06
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Solution
The fourth proportional to 106,564.80, 147,048.94 and 58,815.06 is: 81,159.00
Step by Step Solution
- Step 1: Write the proportion equation
106,564.80 : 147,048.94 = 58,815.06 : x - Step 2: Convert to fraction form
106,564.80/147,048.94 = 58,815.06/x - Step 3: Cross multiply
106,564.80x = 147,048.94 × 58,815.06 - Step 4: Simplify right side
106,564.80x = 8,648,692,229.04 - Step 5: Solve for x
x = 8,648,692,229.04/106,564.80 - Step 6: Final answer
x = 81,159.00
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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.