Home / 131,228.71-196,794.77-103,203.52

Finding the Fourth Proportional to 131,228.71, 196,794.77 and 103,203.52

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Solution

The fourth proportional to 131,228.71, 196,794.77 and 103,203.52 is: 154,767.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,228.71 : 196,794.77 = 103,203.52 : x
  2. Step 2: Convert to fraction form
    131,228.71/196,794.77 = 103,203.52/x
  3. Step 3: Cross multiply
    131,228.71x = 196,794.77 × 103,203.52
  4. Step 4: Simplify right side
    131,228.71x = 20,309,911,973.59
  5. Step 5: Solve for x
    x = 20,309,911,973.59/131,228.71
  6. Step 6: Final answer
    x = 154,767.29

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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.