Home / 134,789.85-202,184.78-103,685.85

Finding the Fourth Proportional to 134,789.85, 202,184.78 and 103,685.85

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Solution

The fourth proportional to 134,789.85, 202,184.78 and 103,685.85 is: 155,528.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,789.85 : 202,184.78 = 103,685.85 : x
  2. Step 2: Convert to fraction form
    134,789.85/202,184.78 = 103,685.85/x
  3. Step 3: Cross multiply
    134,789.85x = 202,184.78 × 103,685.85
  4. Step 4: Simplify right side
    134,789.85x = 20,963,700,771.36
  5. Step 5: Solve for x
    x = 20,963,700,771.36/134,789.85
  6. Step 6: Final answer
    x = 155,528.78

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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.