Finding the Fourth Proportional to 118,077.86, 162,964.44 and 70,332
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Solution
The fourth proportional to 118,077.86, 162,964.44 and 70,332 is: 97,068.28
Step by Step Solution
- Step 1: Write the proportion equation
118,077.86 : 162,964.44 = 70,332 : x - Step 2: Convert to fraction form
118,077.86/162,964.44 = 70,332/x - Step 3: Cross multiply
118,077.86x = 162,964.44 × 70,332 - Step 4: Simplify right side
118,077.86x = 11,461,614,994.08 - Step 5: Solve for x
x = 11,461,614,994.08/118,077.86 - Step 6: Final answer
x = 97,068.28
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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.