Finding the Fourth Proportional to 126,110.12, 174,023.24 and 70,927.70
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Solution
The fourth proportional to 126,110.12, 174,023.24 and 70,927.70 is: 97,875.32
Step by Step Solution
- Step 1: Write the proportion equation
126,110.12 : 174,023.24 = 70,927.70 : x - Step 2: Convert to fraction form
126,110.12/174,023.24 = 70,927.70/x - Step 3: Cross multiply
126,110.12x = 174,023.24 × 70,927.70 - Step 4: Simplify right side
126,110.12x = 12,343,068,159.75 - Step 5: Solve for x
x = 12,343,068,159.75/126,110.12 - Step 6: Final answer
x = 97,875.32
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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.