Finding the Fourth Proportional to 118,750.60, 163,875.88 and 65,038.99
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Solution
The fourth proportional to 118,750.60, 163,875.88 and 65,038.99 is: 89,753.84
Step by Step Solution
- Step 1: Write the proportion equation
118,750.60 : 163,875.88 = 65,038.99 : x - Step 2: Convert to fraction form
118,750.60/163,875.88 = 65,038.99/x - Step 3: Cross multiply
118,750.60x = 163,875.88 × 65,038.99 - Step 4: Simplify right side
118,750.60x = 10,658,322,292.85 - Step 5: Solve for x
x = 10,658,322,292.85/118,750.60 - Step 6: Final answer
x = 89,753.84
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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.