Home / 142,831.80-214,161.30-63,931.32

Finding the Fourth Proportional to 142,831.80, 214,161.30 and 63,931.32

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Solution

The fourth proportional to 142,831.80, 214,161.30 and 63,931.32 is: 95,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,831.80 : 214,161.30 = 63,931.32 : x
  2. Step 2: Convert to fraction form
    142,831.80/214,161.30 = 63,931.32/x
  3. Step 3: Cross multiply
    142,831.80x = 214,161.30 × 63,931.32
  4. Step 4: Simplify right side
    142,831.80x = 13,691,614,601.92
  5. Step 5: Solve for x
    x = 13,691,614,601.92/142,831.80
  6. Step 6: Final answer
    x = 95,858.31

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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.