Finding the Fourth Proportional to 130,363.08, 179,901.04 and 70,747.08
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Solution
The fourth proportional to 130,363.08, 179,901.04 and 70,747.08 is: 97,630.96
Step by Step Solution
- Step 1: Write the proportion equation
130,363.08 : 179,901.04 = 70,747.08 : x - Step 2: Convert to fraction form
130,363.08/179,901.04 = 70,747.08/x - Step 3: Cross multiply
130,363.08x = 179,901.04 × 70,747.08 - Step 4: Simplify right side
130,363.08x = 12,727,473,268.96 - Step 5: Solve for x
x = 12,727,473,268.96/130,363.08 - Step 6: Final answer
x = 97,630.96
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1.5x scale
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.