Home / 189,242.74-283,611.92-89,429.43

Finding the Fourth Proportional to 189,242.74, 283,611.92 and 89,429.43

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Solution

The fourth proportional to 189,242.74, 283,611.92 and 89,429.43 is: 134,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,242.74 : 283,611.92 = 89,429.43 : x
  2. Step 2: Convert to fraction form
    189,242.74/283,611.92 = 89,429.43/x
  3. Step 3: Cross multiply
    189,242.74x = 283,611.92 × 89,429.43
  4. Step 4: Simplify right side
    189,242.74x = 25,363,252,346.81
  5. Step 5: Solve for x
    x = 25,363,252,346.81/189,242.74
  6. Step 6: Final answer
    x = 134,024.97

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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.