Home / 259,947.62-358,720.70-142,069.91

Finding the Fourth Proportional to 259,947.62, 358,720.70 and 142,069.91

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Solution

The fourth proportional to 259,947.62, 358,720.70 and 142,069.91 is: 196,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,947.62 : 358,720.70 = 142,069.91 : x
  2. Step 2: Convert to fraction form
    259,947.62/358,720.70 = 142,069.91/x
  3. Step 3: Cross multiply
    259,947.62x = 358,720.70 × 142,069.91
  4. Step 4: Simplify right side
    259,947.62x = 50,963,415,060.18
  5. Step 5: Solve for x
    x = 50,963,415,060.18/259,947.62
  6. Step 6: Final answer
    x = 196,052.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.