Finding the Fourth Proportional to 146,518.19, 202,220.99 and 86,088.81
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Solution
The fourth proportional to 146,518.19, 202,220.99 and 86,088.81 is: 118,817.77
Step by Step Solution
- Step 1: Write the proportion equation
146,518.19 : 202,220.99 = 86,088.81 : x - Step 2: Convert to fraction form
146,518.19/202,220.99 = 86,088.81/x - Step 3: Cross multiply
146,518.19x = 202,220.99 × 86,088.81 - Step 4: Simplify right side
146,518.19x = 17,408,964,386.12 - Step 5: Solve for x
x = 17,408,964,386.12/146,518.19 - Step 6: Final answer
x = 118,817.77
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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.