Home / 142,828.80-214,156.80-63,928.32

Finding the Fourth Proportional to 142,828.80, 214,156.80 and 63,928.32

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Solution

The fourth proportional to 142,828.80, 214,156.80 and 63,928.32 is: 95,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,828.80 : 214,156.80 = 63,928.32 : x
  2. Step 2: Convert to fraction form
    142,828.80/214,156.80 = 63,928.32/x
  3. Step 3: Cross multiply
    142,828.80x = 214,156.80 × 63,928.32
  4. Step 4: Simplify right side
    142,828.80x = 13,690,684,440.58
  5. Step 5: Solve for x
    x = 13,690,684,440.58/142,828.80
  6. Step 6: Final answer
    x = 95,853.81

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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.