Finding the Fourth Proportional to 134,420.04, 185,498.37 and 73,989.99
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Solution
The fourth proportional to 134,420.04, 185,498.37 and 73,989.99 is: 102,105.48
Step by Step Solution
- Step 1: Write the proportion equation
134,420.04 : 185,498.37 = 73,989.99 : x - Step 2: Convert to fraction form
134,420.04/185,498.37 = 73,989.99/x - Step 3: Cross multiply
134,420.04x = 185,498.37 × 73,989.99 - Step 4: Simplify right side
134,420.04x = 13,725,022,541.32 - Step 5: Solve for x
x = 13,725,022,541.32/134,420.04 - Step 6: Final answer
x = 102,105.48
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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.