Home / 101,289.10-152,009.52-38,171.48

Finding the Fourth Proportional to 101,289.10, 152,009.52 and 38,171.48

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Solution

The fourth proportional to 101,289.10, 152,009.52 and 38,171.48 is: 57,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,289.10 : 152,009.52 = 38,171.48 : x
  2. Step 2: Convert to fraction form
    101,289.10/152,009.52 = 38,171.48/x
  3. Step 3: Cross multiply
    101,289.10x = 152,009.52 × 38,171.48
  4. Step 4: Simplify right side
    101,289.10x = 5,802,428,352.49
  5. Step 5: Solve for x
    x = 5,802,428,352.49/101,289.10
  6. Step 6: Final answer
    x = 57,285.81

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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.