Home / 142,743.04-214,080.96-63,813.76

Finding the Fourth Proportional to 142,743.04, 214,080.96 and 63,813.76

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Solution

The fourth proportional to 142,743.04, 214,080.96 and 63,813.76 is: 95,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,743.04 : 214,080.96 = 63,813.76 : x
  2. Step 2: Convert to fraction form
    142,743.04/214,080.96 = 63,813.76/x
  3. Step 3: Cross multiply
    142,743.04x = 214,080.96 × 63,813.76
  4. Step 4: Simplify right side
    142,743.04x = 13,661,311,002.01
  5. Step 5: Solve for x
    x = 13,661,311,002.01/142,743.04
  6. Step 6: Final answer
    x = 95,705.62

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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.