Finding the Fourth Proportional to 130,567.70, 195,865.67 and 55,695.76
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Solution
The fourth proportional to 130,567.70, 195,865.67 and 55,695.76 is: 83,549.66
Step by Step Solution
- Step 1: Write the proportion equation
130,567.70 : 195,865.67 = 55,695.76 : x - Step 2: Convert to fraction form
130,567.70/195,865.67 = 55,695.76/x - Step 3: Cross multiply
130,567.70x = 195,865.67 × 55,695.76 - Step 4: Simplify right side
130,567.70x = 10,908,886,998.13 - Step 5: Solve for x
x = 10,908,886,998.13/130,567.70 - Step 6: Final answer
x = 83,549.66
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1.5x scale
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.