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Finding the Fourth Proportional to 189,060.81, 283,492.80 and 55,923.12

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Solution

The fourth proportional to 189,060.81, 283,492.80 and 55,923.12 is: 83,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,060.81 : 283,492.80 = 55,923.12 : x
  2. Step 2: Convert to fraction form
    189,060.81/283,492.80 = 55,923.12/x
  3. Step 3: Cross multiply
    189,060.81x = 283,492.80 × 55,923.12
  4. Step 4: Simplify right side
    189,060.81x = 15,853,801,873.54
  5. Step 5: Solve for x
    x = 15,853,801,873.54/189,060.81
  6. Step 6: Final answer
    x = 83,855.57

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1.5x scale

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.