Finding the Fourth Proportional to 97,206.60, 145,896.30 and 83,209.80
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Solution
The fourth proportional to 97,206.60, 145,896.30 and 83,209.80 is: 124,888.66
Step by Step Solution
- Step 1: Write the proportion equation
97,206.60 : 145,896.30 = 83,209.80 : x - Step 2: Convert to fraction form
97,206.60/145,896.30 = 83,209.80/x - Step 3: Cross multiply
97,206.60x = 145,896.30 × 83,209.80 - Step 4: Simplify right side
97,206.60x = 12,140,001,943.74 - Step 5: Solve for x
x = 12,140,001,943.74/97,206.60 - Step 6: Final answer
x = 124,888.66
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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.