Finding the Fourth Proportional to 130,428.58, 195,709.60 and 62,117.47
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Solution
The fourth proportional to 130,428.58, 195,709.60 and 62,117.47 is: 93,207.99
Step by Step Solution
- Step 1: Write the proportion equation
130,428.58 : 195,709.60 = 62,117.47 : x - Step 2: Convert to fraction form
130,428.58/195,709.60 = 62,117.47/x - Step 3: Cross multiply
130,428.58x = 195,709.60 × 62,117.47 - Step 4: Simplify right side
130,428.58x = 12,156,985,206.71 - Step 5: Solve for x
x = 12,156,985,206.71/130,428.58 - Step 6: Final answer
x = 93,207.99
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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.