Home / 104,953.52-144,835.08-57,206.72

Finding the Fourth Proportional to 104,953.52, 144,835.08 and 57,206.72

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Solution

The fourth proportional to 104,953.52, 144,835.08 and 57,206.72 is: 78,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,953.52 : 144,835.08 = 57,206.72 : x
  2. Step 2: Convert to fraction form
    104,953.52/144,835.08 = 57,206.72/x
  3. Step 3: Cross multiply
    104,953.52x = 144,835.08 × 57,206.72
  4. Step 4: Simplify right side
    104,953.52x = 8,285,539,867.74
  5. Step 5: Solve for x
    x = 8,285,539,867.74/104,953.52
  6. Step 6: Final answer
    x = 78,944.85

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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.