Home / 142,769.80-214,068.30-63,869.32

Finding the Fourth Proportional to 142,769.80, 214,068.30 and 63,869.32

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Solution

The fourth proportional to 142,769.80, 214,068.30 and 63,869.32 is: 95,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,769.80 : 214,068.30 = 63,869.32 : x
  2. Step 2: Convert to fraction form
    142,769.80/214,068.30 = 63,869.32/x
  3. Step 3: Cross multiply
    142,769.80x = 214,068.30 × 63,869.32
  4. Step 4: Simplify right side
    142,769.80x = 13,672,396,754.56
  5. Step 5: Solve for x
    x = 13,672,396,754.56/142,769.80
  6. Step 6: Final answer
    x = 95,765.33

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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.