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Finding the Fourth Proportional to 155,326.42, 232,951.08 and 66,569.86

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Solution

The fourth proportional to 155,326.42, 232,951.08 and 66,569.86 is: 99,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,326.42 : 232,951.08 = 66,569.86 : x
  2. Step 2: Convert to fraction form
    155,326.42/232,951.08 = 66,569.86/x
  3. Step 3: Cross multiply
    155,326.42x = 232,951.08 × 66,569.86
  4. Step 4: Simplify right side
    155,326.42x = 15,507,520,782.45
  5. Step 5: Solve for x
    x = 15,507,520,782.45/155,326.42
  6. Step 6: Final answer
    x = 99,838.27

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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.