Finding the Fourth Proportional to 156,275.23, 215,660.39 and 84,655.08
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Solution
The fourth proportional to 156,275.23, 215,660.39 and 84,655.08 is: 116,824.32
Step by Step Solution
- Step 1: Write the proportion equation
156,275.23 : 215,660.39 = 84,655.08 : x - Step 2: Convert to fraction form
156,275.23/215,660.39 = 84,655.08/x - Step 3: Cross multiply
156,275.23x = 215,660.39 × 84,655.08 - Step 4: Simplify right side
156,275.23x = 18,256,747,621.19 - Step 5: Solve for x
x = 18,256,747,621.19/156,275.23 - Step 6: Final answer
x = 116,824.32
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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.