Home / 106,484.80-146,947.20-58,742.72

Finding the Fourth Proportional to 106,484.80, 146,947.20 and 58,742.72

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Solution

The fourth proportional to 106,484.80, 146,947.20 and 58,742.72 is: 81,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,484.80 : 146,947.20 = 58,742.72 : x
  2. Step 2: Convert to fraction form
    106,484.80/146,947.20 = 58,742.72/x
  3. Step 3: Cross multiply
    106,484.80x = 146,947.20 × 58,742.72
  4. Step 4: Simplify right side
    106,484.80x = 8,632,078,224.38
  5. Step 5: Solve for x
    x = 8,632,078,224.38/106,484.80
  6. Step 6: Final answer
    x = 81,063.95

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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.