Home / 189,717.12-284,595.12-84,527.28

Finding the Fourth Proportional to 189,717.12, 284,595.12 and 84,527.28

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Solution

The fourth proportional to 189,717.12, 284,595.12 and 84,527.28 is: 126,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,717.12 : 284,595.12 = 84,527.28 : x
  2. Step 2: Convert to fraction form
    189,717.12/284,595.12 = 84,527.28/x
  3. Step 3: Cross multiply
    189,717.12x = 284,595.12 × 84,527.28
  4. Step 4: Simplify right side
    189,717.12x = 24,056,051,394.87
  5. Step 5: Solve for x
    x = 24,056,051,394.87/189,717.12
  6. Step 6: Final answer
    x = 126,799.58

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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.