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Finding the Fourth Proportional to 113,270.60, 169,905.30 and 29,030.60

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Solution

The fourth proportional to 113,270.60, 169,905.30 and 29,030.60 is: 43,545.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,270.60 : 169,905.30 = 29,030.60 : x
  2. Step 2: Convert to fraction form
    113,270.60/169,905.30 = 29,030.60/x
  3. Step 3: Cross multiply
    113,270.60x = 169,905.30 × 29,030.60
  4. Step 4: Simplify right side
    113,270.60x = 4,932,452,802.18
  5. Step 5: Solve for x
    x = 4,932,452,802.18/113,270.60
  6. Step 6: Final answer
    x = 43,545.75

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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.