Home / 115,004.41-172,580.43-55,807.79

Finding the Fourth Proportional to 115,004.41, 172,580.43 and 55,807.79

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Solution

The fourth proportional to 115,004.41, 172,580.43 and 55,807.79 is: 83,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.41 : 172,580.43 = 55,807.79 : x
  2. Step 2: Convert to fraction form
    115,004.41/172,580.43 = 55,807.79/x
  3. Step 3: Cross multiply
    115,004.41x = 172,580.43 × 55,807.79
  4. Step 4: Simplify right side
    115,004.41x = 9,631,332,395.55
  5. Step 5: Solve for x
    x = 9,631,332,395.55/115,004.41
  6. Step 6: Final answer
    x = 83,747.50

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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.