Home / 113,319.60-169,979.40-100,197.60

Finding the Fourth Proportional to 113,319.60, 169,979.40 and 100,197.60

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Solution

The fourth proportional to 113,319.60, 169,979.40 and 100,197.60 is: 150,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319.60 : 169,979.40 = 100,197.60 : x
  2. Step 2: Convert to fraction form
    113,319.60/169,979.40 = 100,197.60/x
  3. Step 3: Cross multiply
    113,319.60x = 169,979.40 × 100,197.60
  4. Step 4: Simplify right side
    113,319.60x = 17,031,527,929.44
  5. Step 5: Solve for x
    x = 17,031,527,929.44/113,319.60
  6. Step 6: Final answer
    x = 150,296.40

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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.