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Finding the Fourth Proportional to 114,576, 158,115.96 and 64,276.08

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Solution

The fourth proportional to 114,576, 158,115.96 and 64,276.08 is: 88,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,576 : 158,115.96 = 64,276.08 : x
  2. Step 2: Convert to fraction form
    114,576/158,115.96 = 64,276.08/x
  3. Step 3: Cross multiply
    114,576x = 158,115.96 × 64,276.08
  4. Step 4: Simplify right side
    114,576x = 10,163,074,094.24
  5. Step 5: Solve for x
    x = 10,163,074,094.24/114,576
  6. Step 6: Final answer
    x = 88,701.60

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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.