Home / 185,523.10-278,285.30-45,281.72

Finding the Fourth Proportional to 185,523.10, 278,285.30 and 45,281.72

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Solution

The fourth proportional to 185,523.10, 278,285.30 and 45,281.72 is: 67,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,523.10 : 278,285.30 = 45,281.72 : x
  2. Step 2: Convert to fraction form
    185,523.10/278,285.30 = 45,281.72/x
  3. Step 3: Cross multiply
    185,523.10x = 278,285.30 × 45,281.72
  4. Step 4: Simplify right side
    185,523.10x = 12,601,237,034.72
  5. Step 5: Solve for x
    x = 12,601,237,034.72/185,523.10
  6. Step 6: Final answer
    x = 67,922.74

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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.