Home / 145,162.22-217,658.58-56,311.90

Finding the Fourth Proportional to 145,162.22, 217,658.58 and 56,311.90

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Solution

The fourth proportional to 145,162.22, 217,658.58 and 56,311.90 is: 84,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,162.22 : 217,658.58 = 56,311.90 : x
  2. Step 2: Convert to fraction form
    145,162.22/217,658.58 = 56,311.90/x
  3. Step 3: Cross multiply
    145,162.22x = 217,658.58 × 56,311.90
  4. Step 4: Simplify right side
    145,162.22x = 12,256,768,191.10
  5. Step 5: Solve for x
    x = 12,256,768,191.10/145,162.22
  6. Step 6: Final answer
    x = 84,434.97

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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.