Home / 143,621.83-215,465.04-43,792.11

Finding the Fourth Proportional to 143,621.83, 215,465.04 and 43,792.11

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Solution

The fourth proportional to 143,621.83, 215,465.04 and 43,792.11 is: 65,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621.83 : 215,465.04 = 43,792.11 : x
  2. Step 2: Convert to fraction form
    143,621.83/215,465.04 = 43,792.11/x
  3. Step 3: Cross multiply
    143,621.83x = 215,465.04 × 43,792.11
  4. Step 4: Simplify right side
    143,621.83x = 9,435,668,814.94
  5. Step 5: Solve for x
    x = 9,435,668,814.94/143,621.83
  6. Step 6: Final answer
    x = 65,698.01

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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.