Finding the Fourth Proportional to 106,775.19, 147,355.53 and 59,032.98
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Solution
The fourth proportional to 106,775.19, 147,355.53 and 59,032.98 is: 81,468.70
Step by Step Solution
- Step 1: Write the proportion equation
106,775.19 : 147,355.53 = 59,032.98 : x - Step 2: Convert to fraction form
106,775.19/147,355.53 = 59,032.98/x - Step 3: Cross multiply
106,775.19x = 147,355.53 × 59,032.98 - Step 4: Simplify right side
106,775.19x = 8,698,836,055.38 - Step 5: Solve for x
x = 8,698,836,055.38/106,775.19 - Step 6: Final answer
x = 81,468.70
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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.