Home / 155,439.78-233,159.64-102,836.94

Finding the Fourth Proportional to 155,439.78, 233,159.64 and 102,836.94

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Solution

The fourth proportional to 155,439.78, 233,159.64 and 102,836.94 is: 154,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,439.78 : 233,159.64 = 102,836.94 : x
  2. Step 2: Convert to fraction form
    155,439.78/233,159.64 = 102,836.94/x
  3. Step 3: Cross multiply
    155,439.78x = 233,159.64 × 102,836.94
  4. Step 4: Simplify right side
    155,439.78x = 23,977,423,909.10
  5. Step 5: Solve for x
    x = 23,977,423,909.10/155,439.78
  6. Step 6: Final answer
    x = 154,255.39

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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.