Finding the Fourth Proportional to 102,809.19, 153,787.30 and 96,510.63
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Solution
The fourth proportional to 102,809.19, 153,787.30 and 96,510.63 is: 144,365.59
Step by Step Solution
- Step 1: Write the proportion equation
102,809.19 : 153,787.30 = 96,510.63 : x - Step 2: Convert to fraction form
102,809.19/153,787.30 = 96,510.63/x - Step 3: Cross multiply
102,809.19x = 153,787.30 × 96,510.63 - Step 4: Simplify right side
102,809.19x = 14,842,109,209.00 - Step 5: Solve for x
x = 14,842,109,209.00/102,809.19 - Step 6: Final answer
x = 144,365.59
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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.