Home / 113,084.60-169,626.90-57,788.60

Finding the Fourth Proportional to 113,084.60, 169,626.90 and 57,788.60

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Solution

The fourth proportional to 113,084.60, 169,626.90 and 57,788.60 is: 86,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,084.60 : 169,626.90 = 57,788.60 : x
  2. Step 2: Convert to fraction form
    113,084.60/169,626.90 = 57,788.60/x
  3. Step 3: Cross multiply
    113,084.60x = 169,626.90 × 57,788.60
  4. Step 4: Simplify right side
    113,084.60x = 9,802,501,073.34
  5. Step 5: Solve for x
    x = 9,802,501,073.34/113,084.60
  6. Step 6: Final answer
    x = 86,682.90

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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.