Home / 142,685.40-214,115.58-63,866.28

Finding the Fourth Proportional to 142,685.40, 214,115.58 and 63,866.28

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Solution

The fourth proportional to 142,685.40, 214,115.58 and 63,866.28 is: 95,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,685.40 : 214,115.58 = 63,866.28 : x
  2. Step 2: Convert to fraction form
    142,685.40/214,115.58 = 63,866.28/x
  3. Step 3: Cross multiply
    142,685.40x = 214,115.58 × 63,866.28
  4. Step 4: Simplify right side
    142,685.40x = 13,674,765,584.64
  5. Step 5: Solve for x
    x = 13,674,765,584.64/142,685.40
  6. Step 6: Final answer
    x = 95,838.58

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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.