Home / 115,466.40-173,199.60-109,051.20

Finding the Fourth Proportional to 115,466.40, 173,199.60 and 109,051.20

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Solution

The fourth proportional to 115,466.40, 173,199.60 and 109,051.20 is: 163,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,466.40 : 173,199.60 = 109,051.20 : x
  2. Step 2: Convert to fraction form
    115,466.40/173,199.60 = 109,051.20/x
  3. Step 3: Cross multiply
    115,466.40x = 173,199.60 × 109,051.20
  4. Step 4: Simplify right side
    115,466.40x = 18,887,624,219.52
  5. Step 5: Solve for x
    x = 18,887,624,219.52/115,466.40
  6. Step 6: Final answer
    x = 163,576.80

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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.