Home / 133,490.60-200,374.29-89,425.28

Finding the Fourth Proportional to 133,490.60, 200,374.29 and 89,425.28

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Solution

The fourth proportional to 133,490.60, 200,374.29 and 89,425.28 is: 134,230.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,490.60 : 200,374.29 = 89,425.28 : x
  2. Step 2: Convert to fraction form
    133,490.60/200,374.29 = 89,425.28/x
  3. Step 3: Cross multiply
    133,490.60x = 200,374.29 × 89,425.28
  4. Step 4: Simplify right side
    133,490.60x = 17,918,527,513.44
  5. Step 5: Solve for x
    x = 17,918,527,513.44/133,490.60
  6. Step 6: Final answer
    x = 134,230.63

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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.