Home / 189,917.64-284,908.14-84,732.66

Finding the Fourth Proportional to 189,917.64, 284,908.14 and 84,732.66

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Solution

The fourth proportional to 189,917.64, 284,908.14 and 84,732.66 is: 127,113.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,917.64 : 284,908.14 = 84,732.66 : x
  2. Step 2: Convert to fraction form
    189,917.64/284,908.14 = 84,732.66/x
  3. Step 3: Cross multiply
    189,917.64x = 284,908.14 × 84,732.66
  4. Step 4: Simplify right side
    189,917.64x = 24,141,024,557.85
  5. Step 5: Solve for x
    x = 24,141,024,557.85/189,917.64
  6. Step 6: Final answer
    x = 127,113.12

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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.