Home / 189,689.14-284,674.05-89,849.86

Finding the Fourth Proportional to 189,689.14, 284,674.05 and 89,849.86

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Solution

The fourth proportional to 189,689.14, 284,674.05 and 89,849.86 is: 134,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,689.14 : 284,674.05 = 89,849.86 : x
  2. Step 2: Convert to fraction form
    189,689.14/284,674.05 = 89,849.86/x
  3. Step 3: Cross multiply
    189,689.14x = 284,674.05 × 89,849.86
  4. Step 4: Simplify right side
    189,689.14x = 25,577,923,500.74
  5. Step 5: Solve for x
    x = 25,577,923,500.74/189,689.14
  6. Step 6: Final answer
    x = 134,841.26

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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.