Home / 140,555.10-210,836.06-55,162.32

Finding the Fourth Proportional to 140,555.10, 210,836.06 and 55,162.32

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Solution

The fourth proportional to 140,555.10, 210,836.06 and 55,162.32 is: 82,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555.10 : 210,836.06 = 55,162.32 : x
  2. Step 2: Convert to fraction form
    140,555.10/210,836.06 = 55,162.32/x
  3. Step 3: Cross multiply
    140,555.10x = 210,836.06 × 55,162.32
  4. Step 4: Simplify right side
    140,555.10x = 11,630,206,209.26
  5. Step 5: Solve for x
    x = 11,630,206,209.26/140,555.10
  6. Step 6: Final answer
    x = 82,744.82

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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.