Home / 213,305.32-320,051.40-101,065.65

Finding the Fourth Proportional to 213,305.32, 320,051.40 and 101,065.65

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Solution

The fourth proportional to 213,305.32, 320,051.40 and 101,065.65 is: 151,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,305.32 : 320,051.40 = 101,065.65 : x
  2. Step 2: Convert to fraction form
    213,305.32/320,051.40 = 101,065.65/x
  3. Step 3: Cross multiply
    213,305.32x = 320,051.40 × 101,065.65
  4. Step 4: Simplify right side
    213,305.32x = 32,346,202,774.41
  5. Step 5: Solve for x
    x = 32,346,202,774.41/213,305.32
  6. Step 6: Final answer
    x = 151,642.74

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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.