Finding the Fourth Proportional to 130,154.08, 179,613.68 and 70,538.08
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Solution
The fourth proportional to 130,154.08, 179,613.68 and 70,538.08 is: 97,343.12
Step by Step Solution
- Step 1: Write the proportion equation
130,154.08 : 179,613.68 = 70,538.08 : x - Step 2: Convert to fraction form
130,154.08/179,613.68 = 70,538.08/x - Step 3: Cross multiply
130,154.08x = 179,613.68 × 70,538.08 - Step 4: Simplify right side
130,154.08x = 12,669,604,128.93 - Step 5: Solve for x
x = 12,669,604,128.93/130,154.08 - Step 6: Final answer
x = 97,343.12
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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.