Finding the Fourth Proportional to 145,798.33, 201,159.78 and 94,885.99
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Solution
The fourth proportional to 145,798.33, 201,159.78 and 94,885.99 is: 130,915.39
Step by Step Solution
- Step 1: Write the proportion equation
145,798.33 : 201,159.78 = 94,885.99 : x - Step 2: Convert to fraction form
145,798.33/201,159.78 = 94,885.99/x - Step 3: Cross multiply
145,798.33x = 201,159.78 × 94,885.99 - Step 4: Simplify right side
145,798.33x = 19,087,245,395.81 - Step 5: Solve for x
x = 19,087,245,395.81/145,798.33 - Step 6: Final answer
x = 130,915.39
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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.