Home / 189,743.06-284,614.56-77,476.15

Finding the Fourth Proportional to 189,743.06, 284,614.56 and 77,476.15

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Solution

The fourth proportional to 189,743.06, 284,614.56 and 77,476.15 is: 116,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,743.06 : 284,614.56 = 77,476.15 : x
  2. Step 2: Convert to fraction form
    189,743.06/284,614.56 = 77,476.15/x
  3. Step 3: Cross multiply
    189,743.06x = 284,614.56 × 77,476.15
  4. Step 4: Simplify right side
    189,743.06x = 22,050,839,097.56
  5. Step 5: Solve for x
    x = 22,050,839,097.56/189,743.06
  6. Step 6: Final answer
    x = 116,214.21

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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.