Home / 107,528.20-161,270.64-102,193.30

Finding the Fourth Proportional to 107,528.20, 161,270.64 and 102,193.30

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Solution

The fourth proportional to 107,528.20, 161,270.64 and 102,193.30 is: 153,269.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,528.20 : 161,270.64 = 102,193.30 : x
  2. Step 2: Convert to fraction form
    107,528.20/161,270.64 = 102,193.30/x
  3. Step 3: Cross multiply
    107,528.20x = 161,270.64 × 102,193.30
  4. Step 4: Simplify right side
    107,528.20x = 16,480,778,088.36
  5. Step 5: Solve for x
    x = 16,480,778,088.36/107,528.20
  6. Step 6: Final answer
    x = 153,269.36

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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.