Finding the Fourth Proportional to 134,689.48, 202,477.12 and 124,946.40
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Solution
The fourth proportional to 134,689.48, 202,477.12 and 124,946.40 is: 187,830.46
Step by Step Solution
- Step 1: Write the proportion equation
134,689.48 : 202,477.12 = 124,946.40 : x - Step 2: Convert to fraction form
134,689.48/202,477.12 = 124,946.40/x - Step 3: Cross multiply
134,689.48x = 202,477.12 × 124,946.40 - Step 4: Simplify right side
134,689.48x = 25,298,787,226.37 - Step 5: Solve for x
x = 25,298,787,226.37/134,689.48 - Step 6: Final answer
x = 187,830.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.