Home / 145,175.40-217,660.14-56,354.04

Finding the Fourth Proportional to 145,175.40, 217,660.14 and 56,354.04

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Solution

The fourth proportional to 145,175.40, 217,660.14 and 56,354.04 is: 84,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,175.40 : 217,660.14 = 56,354.04 : x
  2. Step 2: Convert to fraction form
    145,175.40/217,660.14 = 56,354.04/x
  3. Step 3: Cross multiply
    145,175.40x = 217,660.14 × 56,354.04
  4. Step 4: Simplify right side
    145,175.40x = 12,266,028,235.97
  5. Step 5: Solve for x
    x = 12,266,028,235.97/145,175.40
  6. Step 6: Final answer
    x = 84,491.09

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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.