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Finding the Fourth Proportional to 114,950, 158,631 and 64,650.08

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Solution

The fourth proportional to 114,950, 158,631 and 64,650.08 is: 89,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,950 : 158,631 = 64,650.08 : x
  2. Step 2: Convert to fraction form
    114,950/158,631 = 64,650.08/x
  3. Step 3: Cross multiply
    114,950x = 158,631 × 64,650.08
  4. Step 4: Simplify right side
    114,950x = 10,255,506,840.48
  5. Step 5: Solve for x
    x = 10,255,506,840.48/114,950
  6. Step 6: Final answer
    x = 89,217.11

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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.