Finding the Fourth Proportional to 158,930.74, 219,345.42 and 102,506.14
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Solution
The fourth proportional to 158,930.74, 219,345.42 and 102,506.14 is: 141,472.02
Step by Step Solution
- Step 1: Write the proportion equation
158,930.74 : 219,345.42 = 102,506.14 : x - Step 2: Convert to fraction form
158,930.74/219,345.42 = 102,506.14/x - Step 3: Cross multiply
158,930.74x = 219,345.42 × 102,506.14 - Step 4: Simplify right side
158,930.74x = 22,484,252,330.88 - Step 5: Solve for x
x = 22,484,252,330.88/158,930.74 - Step 6: Final answer
x = 141,472.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.