Finding the Fourth Proportional to 139,848.96, 209,695.68 and 46,303.68
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Solution
The fourth proportional to 139,848.96, 209,695.68 and 46,303.68 is: 69,429.77
Step by Step Solution
- Step 1: Write the proportion equation
139,848.96 : 209,695.68 = 46,303.68 : x - Step 2: Convert to fraction form
139,848.96/209,695.68 = 46,303.68/x - Step 3: Cross multiply
139,848.96x = 209,695.68 × 46,303.68 - Step 4: Simplify right side
139,848.96x = 9,709,681,664.10 - Step 5: Solve for x
x = 9,709,681,664.10/139,848.96 - Step 6: Final answer
x = 69,429.77
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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.