Home / 158,704.14-219,011.73-90,722.58

Finding the Fourth Proportional to 158,704.14, 219,011.73 and 90,722.58

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Solution

The fourth proportional to 158,704.14, 219,011.73 and 90,722.58 is: 125,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,704.14 : 219,011.73 = 90,722.58 : x
  2. Step 2: Convert to fraction form
    158,704.14/219,011.73 = 90,722.58/x
  3. Step 3: Cross multiply
    158,704.14x = 219,011.73 × 90,722.58
  4. Step 4: Simplify right side
    158,704.14x = 19,869,309,195.86
  5. Step 5: Solve for x
    x = 19,869,309,195.86/158,704.14
  6. Step 6: Final answer
    x = 125,197.17

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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.