Home / 145,386.57-217,997.82-56,538.33

Finding the Fourth Proportional to 145,386.57, 217,997.82 and 56,538.33

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Solution

The fourth proportional to 145,386.57, 217,997.82 and 56,538.33 is: 84,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,386.57 : 217,997.82 = 56,538.33 : x
  2. Step 2: Convert to fraction form
    145,386.57/217,997.82 = 56,538.33/x
  3. Step 3: Cross multiply
    145,386.57x = 217,997.82 × 56,538.33
  4. Step 4: Simplify right side
    145,386.57x = 12,325,232,686.44
  5. Step 5: Solve for x
    x = 12,325,232,686.44/145,386.57
  6. Step 6: Final answer
    x = 84,775.59

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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.