Home / 155,629.68-231,964.08-146,771.52

Finding the Fourth Proportional to 155,629.68, 231,964.08 and 146,771.52

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Solution

The fourth proportional to 155,629.68, 231,964.08 and 146,771.52 is: 218,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,629.68 : 231,964.08 = 146,771.52 : x
  2. Step 2: Convert to fraction form
    155,629.68/231,964.08 = 146,771.52/x
  3. Step 3: Cross multiply
    155,629.68x = 231,964.08 × 146,771.52
  4. Step 4: Simplify right side
    155,629.68x = 34,045,720,607.00
  5. Step 5: Solve for x
    x = 34,045,720,607.00/155,629.68
  6. Step 6: Final answer
    x = 218,761.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.