Home / 219,864.87-329,845.72-125,139.64

Finding the Fourth Proportional to 219,864.87, 329,845.72 and 125,139.64

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Solution

The fourth proportional to 219,864.87, 329,845.72 and 125,139.64 is: 187,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,864.87 : 329,845.72 = 125,139.64 : x
  2. Step 2: Convert to fraction form
    219,864.87/329,845.72 = 125,139.64/x
  3. Step 3: Cross multiply
    219,864.87x = 329,845.72 × 125,139.64
  4. Step 4: Simplify right side
    219,864.87x = 41,276,774,656.34
  5. Step 5: Solve for x
    x = 41,276,774,656.34/219,864.87
  6. Step 6: Final answer
    x = 187,737.02

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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.