Home / 189,389.43-283,717.81-158,629.36

Finding the Fourth Proportional to 189,389.43, 283,717.81 and 158,629.36

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Solution

The fourth proportional to 189,389.43, 283,717.81 and 158,629.36 is: 237,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,389.43 : 283,717.81 = 158,629.36 : x
  2. Step 2: Convert to fraction form
    189,389.43/283,717.81 = 158,629.36/x
  3. Step 3: Cross multiply
    189,389.43x = 283,717.81 × 158,629.36
  4. Step 4: Simplify right side
    189,389.43x = 45,005,974,620.90
  5. Step 5: Solve for x
    x = 45,005,974,620.90/189,389.43
  6. Step 6: Final answer
    x = 237,637.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.