Home / 145,786.76-217,881.38-106,426.76

Finding the Fourth Proportional to 145,786.76, 217,881.38 and 106,426.76

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Solution

The fourth proportional to 145,786.76, 217,881.38 and 106,426.76 is: 159,057.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,786.76 : 217,881.38 = 106,426.76 : x
  2. Step 2: Convert to fraction form
    145,786.76/217,881.38 = 106,426.76/x
  3. Step 3: Cross multiply
    145,786.76x = 217,881.38 × 106,426.76
  4. Step 4: Simplify right side
    145,786.76x = 23,188,409,337.73
  5. Step 5: Solve for x
    x = 23,188,409,337.73/145,786.76
  6. Step 6: Final answer
    x = 159,057.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.