Finding the Fourth Proportional to 169,876.20, 234,430.74 and 93,395.84
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Solution
The fourth proportional to 169,876.20, 234,430.74 and 93,395.84 is: 128,887.12
Step by Step Solution
- Step 1: Write the proportion equation
169,876.20 : 234,430.74 = 93,395.84 : x - Step 2: Convert to fraction form
169,876.20/234,430.74 = 93,395.84/x - Step 3: Cross multiply
169,876.20x = 234,430.74 × 93,395.84 - Step 4: Simplify right side
169,876.20x = 21,894,854,711.97 - Step 5: Solve for x
x = 21,894,854,711.97/169,876.20 - Step 6: Final answer
x = 128,887.12
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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.