Home / 189,518.22-284,073.08-100,682.28

Finding the Fourth Proportional to 189,518.22, 284,073.08 and 100,682.28

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Solution

The fourth proportional to 189,518.22, 284,073.08 and 100,682.28 is: 150,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,518.22 : 284,073.08 = 100,682.28 : x
  2. Step 2: Convert to fraction form
    189,518.22/284,073.08 = 100,682.28/x
  3. Step 3: Cross multiply
    189,518.22x = 284,073.08 × 100,682.28
  4. Step 4: Simplify right side
    189,518.22x = 28,601,124,877.61
  5. Step 5: Solve for x
    x = 28,601,124,877.61/189,518.22
  6. Step 6: Final answer
    x = 150,914.91

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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.