Home / 147,360.81-221,043.65-53,865.75

Finding the Fourth Proportional to 147,360.81, 221,043.65 and 53,865.75

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Solution

The fourth proportional to 147,360.81, 221,043.65 and 53,865.75 is: 80,799.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,360.81 : 221,043.65 = 53,865.75 : x
  2. Step 2: Convert to fraction form
    147,360.81/221,043.65 = 53,865.75/x
  3. Step 3: Cross multiply
    147,360.81x = 221,043.65 × 53,865.75
  4. Step 4: Simplify right side
    147,360.81x = 11,906,681,720.66
  5. Step 5: Solve for x
    x = 11,906,681,720.66/147,360.81
  6. Step 6: Final answer
    x = 80,799.51

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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.