Home / 105,214.46-145,195.95-57,467.92

Finding the Fourth Proportional to 105,214.46, 145,195.95 and 57,467.92

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Solution

The fourth proportional to 105,214.46, 145,195.95 and 57,467.92 is: 79,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.46 : 145,195.95 = 57,467.92 : x
  2. Step 2: Convert to fraction form
    105,214.46/145,195.95 = 57,467.92/x
  3. Step 3: Cross multiply
    105,214.46x = 145,195.95 × 57,467.92
  4. Step 4: Simplify right side
    105,214.46x = 8,344,109,238.92
  5. Step 5: Solve for x
    x = 8,344,109,238.92/105,214.46
  6. Step 6: Final answer
    x = 79,305.73

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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.