Finding the Fourth Proportional to 128,160.97, 191,946.08 and 88,746.01
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Solution
The fourth proportional to 128,160.97, 191,946.08 and 88,746.01 is: 132,914.48
Step by Step Solution
- Step 1: Write the proportion equation
128,160.97 : 191,946.08 = 88,746.01 : x - Step 2: Convert to fraction form
128,160.97/191,946.08 = 88,746.01/x - Step 3: Cross multiply
128,160.97x = 191,946.08 × 88,746.01 - Step 4: Simplify right side
128,160.97x = 17,034,448,291.41 - Step 5: Solve for x
x = 17,034,448,291.41/128,160.97 - Step 6: Final answer
x = 132,914.48
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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.