Home / 104,682.11-144,462.45-56,935.58

Finding the Fourth Proportional to 104,682.11, 144,462.45 and 56,935.58

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Solution

The fourth proportional to 104,682.11, 144,462.45 and 56,935.58 is: 78,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,682.11 : 144,462.45 = 56,935.58 : x
  2. Step 2: Convert to fraction form
    104,682.11/144,462.45 = 56,935.58/x
  3. Step 3: Cross multiply
    104,682.11x = 144,462.45 × 56,935.58
  4. Step 4: Simplify right side
    104,682.11x = 8,225,053,378.97
  5. Step 5: Solve for x
    x = 8,225,053,378.97/104,682.11
  6. Step 6: Final answer
    x = 78,571.72

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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.