Home / 147,928.82-221,798.28-87,941.30

Finding the Fourth Proportional to 147,928.82, 221,798.28 and 87,941.30

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Solution

The fourth proportional to 147,928.82, 221,798.28 and 87,941.30 is: 131,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,928.82 : 221,798.28 = 87,941.30 : x
  2. Step 2: Convert to fraction form
    147,928.82/221,798.28 = 87,941.30/x
  3. Step 3: Cross multiply
    147,928.82x = 221,798.28 × 87,941.30
  4. Step 4: Simplify right side
    147,928.82x = 19,505,228,301.75
  5. Step 5: Solve for x
    x = 19,505,228,301.75/147,928.82
  6. Step 6: Final answer
    x = 131,855.50

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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.