Home / 133,020.60-183,562.74-72,589.74

Finding the Fourth Proportional to 133,020.60, 183,562.74 and 72,589.74

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Solution

The fourth proportional to 133,020.60, 183,562.74 and 72,589.74 is: 100,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,020.60 : 183,562.74 = 72,589.74 : x
  2. Step 2: Convert to fraction form
    133,020.60/183,562.74 = 72,589.74/x
  3. Step 3: Cross multiply
    133,020.60x = 183,562.74 × 72,589.74
  4. Step 4: Simplify right side
    133,020.60x = 13,324,771,570.29
  5. Step 5: Solve for x
    x = 13,324,771,570.29/133,020.60
  6. Step 6: Final answer
    x = 100,170.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.