Home / 143,885.43-215,844.81-47,831.24

Finding the Fourth Proportional to 143,885.43, 215,844.81 and 47,831.24

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Solution

The fourth proportional to 143,885.43, 215,844.81 and 47,831.24 is: 71,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,885.43 : 215,844.81 = 47,831.24 : x
  2. Step 2: Convert to fraction form
    143,885.43/215,844.81 = 47,831.24/x
  3. Step 3: Cross multiply
    143,885.43x = 215,844.81 × 47,831.24
  4. Step 4: Simplify right side
    143,885.43x = 10,324,125,089.23
  5. Step 5: Solve for x
    x = 10,324,125,089.23/143,885.43
  6. Step 6: Final answer
    x = 71,752.40

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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.