Home / 145,257.14-217,801.87-56,406.94

Finding the Fourth Proportional to 145,257.14, 217,801.87 and 56,406.94

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Solution

The fourth proportional to 145,257.14, 217,801.87 and 56,406.94 is: 84,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,257.14 : 217,801.87 = 56,406.94 : x
  2. Step 2: Convert to fraction form
    145,257.14/217,801.87 = 56,406.94/x
  3. Step 3: Cross multiply
    145,257.14x = 217,801.87 × 56,406.94
  4. Step 4: Simplify right side
    145,257.14x = 12,285,536,327.46
  5. Step 5: Solve for x
    x = 12,285,536,327.46/145,257.14
  6. Step 6: Final answer
    x = 84,577.85

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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.