Finding the Fourth Proportional to 103,134.60, 154,746.01 and 43,177.08
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Solution
The fourth proportional to 103,134.60, 154,746.01 and 43,177.08 is: 64,784.09
Step by Step Solution
- Step 1: Write the proportion equation
103,134.60 : 154,746.01 = 43,177.08 : x - Step 2: Convert to fraction form
103,134.60/154,746.01 = 43,177.08/x - Step 3: Cross multiply
103,134.60x = 154,746.01 × 43,177.08 - Step 4: Simplify right side
103,134.60x = 6,681,480,664.55 - Step 5: Solve for x
x = 6,681,480,664.55/103,134.60 - Step 6: Final answer
x = 64,784.09
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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.