Home / 106,800.27-147,359.82-63,771.36

Finding the Fourth Proportional to 106,800.27, 147,359.82 and 63,771.36

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Solution

The fourth proportional to 106,800.27, 147,359.82 and 63,771.36 is: 87,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,800.27 : 147,359.82 = 63,771.36 : x
  2. Step 2: Convert to fraction form
    106,800.27/147,359.82 = 63,771.36/x
  3. Step 3: Cross multiply
    106,800.27x = 147,359.82 × 63,771.36
  4. Step 4: Simplify right side
    106,800.27x = 9,397,336,130.76
  5. Step 5: Solve for x
    x = 9,397,336,130.76/106,800.27
  6. Step 6: Final answer
    x = 87,989.82

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1.5x scale

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.