Home / 143,454.70-215,206.62-43,624.81

Finding the Fourth Proportional to 143,454.70, 215,206.62 and 43,624.81

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Solution

The fourth proportional to 143,454.70, 215,206.62 and 43,624.81 is: 65,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,454.70 : 215,206.62 = 43,624.81 : x
  2. Step 2: Convert to fraction form
    143,454.70/215,206.62 = 43,624.81/x
  3. Step 3: Cross multiply
    143,454.70x = 215,206.62 × 43,624.81
  4. Step 4: Simplify right side
    143,454.70x = 9,388,347,908.24
  5. Step 5: Solve for x
    x = 9,388,347,908.24/143,454.70
  6. Step 6: Final answer
    x = 65,444.69

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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.