Home / 134,810.80-201,945.52-67,138.88

Finding the Fourth Proportional to 134,810.80, 201,945.52 and 67,138.88

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Solution

The fourth proportional to 134,810.80, 201,945.52 and 67,138.88 is: 100,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,810.80 : 201,945.52 = 67,138.88 : x
  2. Step 2: Convert to fraction form
    134,810.80/201,945.52 = 67,138.88/x
  3. Step 3: Cross multiply
    134,810.80x = 201,945.52 × 67,138.88
  4. Step 4: Simplify right side
    134,810.80x = 13,558,396,033.82
  5. Step 5: Solve for x
    x = 13,558,396,033.82/134,810.80
  6. Step 6: Final answer
    x = 100,573.52

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1.5x scale

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.