Finding the Fourth Proportional to 130,442.46, 195,307.93 and 98,756.65
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Solution
The fourth proportional to 130,442.46, 195,307.93 and 98,756.65 is: 147,865.63
Step by Step Solution
- Step 1: Write the proportion equation
130,442.46 : 195,307.93 = 98,756.65 : x - Step 2: Convert to fraction form
130,442.46/195,307.93 = 98,756.65/x - Step 3: Cross multiply
130,442.46x = 195,307.93 × 98,756.65 - Step 4: Simplify right side
130,442.46x = 19,287,956,885.23 - Step 5: Solve for x
x = 19,287,956,885.23/130,442.46 - Step 6: Final answer
x = 147,865.63
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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.