Home / 142,773.60-214,039.92-90,066.96

Finding the Fourth Proportional to 142,773.60, 214,039.92 and 90,066.96

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Solution

The fourth proportional to 142,773.60, 214,039.92 and 90,066.96 is: 135,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,773.60 : 214,039.92 = 90,066.96 : x
  2. Step 2: Convert to fraction form
    142,773.60/214,039.92 = 90,066.96/x
  3. Step 3: Cross multiply
    142,773.60x = 214,039.92 × 90,066.96
  4. Step 4: Simplify right side
    142,773.60x = 19,277,924,913.04
  5. Step 5: Solve for x
    x = 19,277,924,913.04/142,773.60
  6. Step 6: Final answer
    x = 135,024.44

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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.