Home / 113,132.40-169,722.90-34,254.60

Finding the Fourth Proportional to 113,132.40, 169,722.90 and 34,254.60

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Solution

The fourth proportional to 113,132.40, 169,722.90 and 34,254.60 is: 51,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,132.40 : 169,722.90 = 34,254.60 : x
  2. Step 2: Convert to fraction form
    113,132.40/169,722.90 = 34,254.60/x
  3. Step 3: Cross multiply
    113,132.40x = 169,722.90 × 34,254.60
  4. Step 4: Simplify right side
    113,132.40x = 5,813,790,050.34
  5. Step 5: Solve for x
    x = 5,813,790,050.34/113,132.40
  6. Step 6: Final answer
    x = 51,389.26

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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.