Home / 113,583.60-170,395.68-38,699.60

Finding the Fourth Proportional to 113,583.60, 170,395.68 and 38,699.60

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Solution

The fourth proportional to 113,583.60, 170,395.68 and 38,699.60 is: 58,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.60 : 170,395.68 = 38,699.60 : x
  2. Step 2: Convert to fraction form
    113,583.60/170,395.68 = 38,699.60/x
  3. Step 3: Cross multiply
    113,583.60x = 170,395.68 × 38,699.60
  4. Step 4: Simplify right side
    113,583.60x = 6,594,244,657.73
  5. Step 5: Solve for x
    x = 6,594,244,657.73/113,583.60
  6. Step 6: Final answer
    x = 58,056.31

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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.