Finding the Fourth Proportional to 104,237.06, 143,854.34 and 63,417.11
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Solution
The fourth proportional to 104,237.06, 143,854.34 and 63,417.11 is: 87,519.99
Step by Step Solution
- Step 1: Write the proportion equation
104,237.06 : 143,854.34 = 63,417.11 : x - Step 2: Convert to fraction form
104,237.06/143,854.34 = 63,417.11/x - Step 3: Cross multiply
104,237.06x = 143,854.34 × 63,417.11 - Step 4: Simplify right side
104,237.06x = 9,122,826,503.76 - Step 5: Solve for x
x = 9,122,826,503.76/104,237.06 - Step 6: Final answer
x = 87,519.99
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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.