Home / 145,584.38-218,246.70-56,817.26

Finding the Fourth Proportional to 145,584.38, 218,246.70 and 56,817.26

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Solution

The fourth proportional to 145,584.38, 218,246.70 and 56,817.26 is: 85,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,584.38 : 218,246.70 = 56,817.26 : x
  2. Step 2: Convert to fraction form
    145,584.38/218,246.70 = 56,817.26/x
  3. Step 3: Cross multiply
    145,584.38x = 218,246.70 × 56,817.26
  4. Step 4: Simplify right side
    145,584.38x = 12,400,179,498.04
  5. Step 5: Solve for x
    x = 12,400,179,498.04/145,584.38
  6. Step 6: Final answer
    x = 85,175.21

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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.