Home / 189,979.68-284,794.56-84,741.24

Finding the Fourth Proportional to 189,979.68, 284,794.56 and 84,741.24

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Solution

The fourth proportional to 189,979.68, 284,794.56 and 84,741.24 is: 127,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,979.68 : 284,794.56 = 84,741.24 : x
  2. Step 2: Convert to fraction form
    189,979.68/284,794.56 = 84,741.24/x
  3. Step 3: Cross multiply
    189,979.68x = 284,794.56 × 84,741.24
  4. Step 4: Simplify right side
    189,979.68x = 24,133,844,159.65
  5. Step 5: Solve for x
    x = 24,133,844,159.65/189,979.68
  6. Step 6: Final answer
    x = 127,033.82

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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.