Home / 189,374.55-284,013.22-56,223.91

Finding the Fourth Proportional to 189,374.55, 284,013.22 and 56,223.91

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Solution

The fourth proportional to 189,374.55, 284,013.22 and 56,223.91 is: 84,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,374.55 : 284,013.22 = 56,223.91 : x
  2. Step 2: Convert to fraction form
    189,374.55/284,013.22 = 56,223.91/x
  3. Step 3: Cross multiply
    189,374.55x = 284,013.22 × 56,223.91
  4. Step 4: Simplify right side
    189,374.55x = 15,968,333,720.09
  5. Step 5: Solve for x
    x = 15,968,333,720.09/189,374.55
  6. Step 6: Final answer
    x = 84,321.43

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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.