Finding the Fourth Proportional to 130,587.15, 195,905.31 and 93,054.12
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Solution
The fourth proportional to 130,587.15, 195,905.31 and 93,054.12 is: 139,598.70
Step by Step Solution
- Step 1: Write the proportion equation
130,587.15 : 195,905.31 = 93,054.12 : x - Step 2: Convert to fraction form
130,587.15/195,905.31 = 93,054.12/x - Step 3: Cross multiply
130,587.15x = 195,905.31 × 93,054.12 - Step 4: Simplify right side
130,587.15x = 18,229,796,225.38 - Step 5: Solve for x
x = 18,229,796,225.38/130,587.15 - Step 6: Final answer
x = 139,598.70
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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.