Home / 189,532.56-284,282.37-77,224.62

Finding the Fourth Proportional to 189,532.56, 284,282.37 and 77,224.62

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Solution

The fourth proportional to 189,532.56, 284,282.37 and 77,224.62 is: 115,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,532.56 : 284,282.37 = 77,224.62 : x
  2. Step 2: Convert to fraction form
    189,532.56/284,282.37 = 77,224.62/x
  3. Step 3: Cross multiply
    189,532.56x = 284,282.37 × 77,224.62
  4. Step 4: Simplify right side
    189,532.56x = 21,953,597,995.95
  5. Step 5: Solve for x
    x = 21,953,597,995.95/189,532.56
  6. Step 6: Final answer
    x = 115,830.22

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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.