Finding the Fourth Proportional to 145,925.76, 201,408.88 and 92,176.58
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Solution
The fourth proportional to 145,925.76, 201,408.88 and 92,176.58 is: 127,223.47
Step by Step Solution
- Step 1: Write the proportion equation
145,925.76 : 201,408.88 = 92,176.58 : x - Step 2: Convert to fraction form
145,925.76/201,408.88 = 92,176.58/x - Step 3: Cross multiply
145,925.76x = 201,408.88 × 92,176.58 - Step 4: Simplify right side
145,925.76x = 18,565,181,740.03 - Step 5: Solve for x
x = 18,565,181,740.03/145,925.76 - Step 6: Final answer
x = 127,223.47
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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.