Home / 189,009.99-283,416.50-89,143.34

Finding the Fourth Proportional to 189,009.99, 283,416.50 and 89,143.34

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Solution

The fourth proportional to 189,009.99, 283,416.50 and 89,143.34 is: 133,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,009.99 : 283,416.50 = 89,143.34 : x
  2. Step 2: Convert to fraction form
    189,009.99/283,416.50 = 89,143.34/x
  3. Step 3: Cross multiply
    189,009.99x = 283,416.50 × 89,143.34
  4. Step 4: Simplify right side
    189,009.99x = 25,264,692,226.89
  5. Step 5: Solve for x
    x = 25,264,692,226.89/189,009.99
  6. Step 6: Final answer
    x = 133,668.55

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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.