Home / 113,225.40-169,905.30-43,111.80

Finding the Fourth Proportional to 113,225.40, 169,905.30 and 43,111.80

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Solution

The fourth proportional to 113,225.40, 169,905.30 and 43,111.80 is: 64,693.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,225.40 : 169,905.30 = 43,111.80 : x
  2. Step 2: Convert to fraction form
    113,225.40/169,905.30 = 43,111.80/x
  3. Step 3: Cross multiply
    113,225.40x = 169,905.30 × 43,111.80
  4. Step 4: Simplify right side
    113,225.40x = 7,324,923,312.54
  5. Step 5: Solve for x
    x = 7,324,923,312.54/113,225.40
  6. Step 6: Final answer
    x = 64,693.29

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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.