Home / 144,931.20-217,429.20-56,176.80

Finding the Fourth Proportional to 144,931.20, 217,429.20 and 56,176.80

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Solution

The fourth proportional to 144,931.20, 217,429.20 and 56,176.80 is: 84,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,931.20 : 217,429.20 = 56,176.80 : x
  2. Step 2: Convert to fraction form
    144,931.20/217,429.20 = 56,176.80/x
  3. Step 3: Cross multiply
    144,931.20x = 217,429.20 × 56,176.80
  4. Step 4: Simplify right side
    144,931.20x = 12,214,476,682.56
  5. Step 5: Solve for x
    x = 12,214,476,682.56/144,931.20
  6. Step 6: Final answer
    x = 84,277.76

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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.