Home / 189,610.66-284,305.96-89,770.01

Finding the Fourth Proportional to 189,610.66, 284,305.96 and 89,770.01

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Solution

The fourth proportional to 189,610.66, 284,305.96 and 89,770.01 is: 134,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,610.66 : 284,305.96 = 89,770.01 : x
  2. Step 2: Convert to fraction form
    189,610.66/284,305.96 = 89,770.01/x
  3. Step 3: Cross multiply
    189,610.66x = 284,305.96 × 89,770.01
  4. Step 4: Simplify right side
    189,610.66x = 25,522,148,423.41
  5. Step 5: Solve for x
    x = 25,522,148,423.41/189,610.66
  6. Step 6: Final answer
    x = 134,602.92

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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.