Home / 143,017.10-214,560.33-43,171.32

Finding the Fourth Proportional to 143,017.10, 214,560.33 and 43,171.32

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Solution

The fourth proportional to 143,017.10, 214,560.33 and 43,171.32 is: 64,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,017.10 : 214,560.33 = 43,171.32 : x
  2. Step 2: Convert to fraction form
    143,017.10/214,560.33 = 43,171.32/x
  3. Step 3: Cross multiply
    143,017.10x = 214,560.33 × 43,171.32
  4. Step 4: Simplify right side
    143,017.10x = 9,262,852,826.41
  5. Step 5: Solve for x
    x = 9,262,852,826.41/143,017.10
  6. Step 6: Final answer
    x = 64,767.45

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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.