Home / 147,391.12-221,133.40-52,619.24

Finding the Fourth Proportional to 147,391.12, 221,133.40 and 52,619.24

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Solution

The fourth proportional to 147,391.12, 221,133.40 and 52,619.24 is: 78,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,391.12 : 221,133.40 = 52,619.24 : x
  2. Step 2: Convert to fraction form
    147,391.12/221,133.40 = 52,619.24/x
  3. Step 3: Cross multiply
    147,391.12x = 221,133.40 × 52,619.24
  4. Step 4: Simplify right side
    147,391.12x = 11,635,871,446.62
  5. Step 5: Solve for x
    x = 11,635,871,446.62/147,391.12
  6. Step 6: Final answer
    x = 78,945.54

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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.