Finding the Fourth Proportional to 148,652.48, 205,126.68 and 88,212.68
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Solution
The fourth proportional to 148,652.48, 205,126.68 and 88,212.68 is: 121,725.34
Step by Step Solution
- Step 1: Write the proportion equation
148,652.48 : 205,126.68 = 88,212.68 : x - Step 2: Convert to fraction form
148,652.48/205,126.68 = 88,212.68/x - Step 3: Cross multiply
148,652.48x = 205,126.68 × 88,212.68 - Step 4: Simplify right side
148,652.48x = 18,094,774,182.30 - Step 5: Solve for x
x = 18,094,774,182.30/148,652.48 - Step 6: Final answer
x = 121,725.34
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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.