Home / 109,528.20-164,114.10-99,030.60

Finding the Fourth Proportional to 109,528.20, 164,114.10 and 99,030.60

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Solution

The fourth proportional to 109,528.20, 164,114.10 and 99,030.60 is: 148,384.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,528.20 : 164,114.10 = 99,030.60 : x
  2. Step 2: Convert to fraction form
    109,528.20/164,114.10 = 99,030.60/x
  3. Step 3: Cross multiply
    109,528.20x = 164,114.10 × 99,030.60
  4. Step 4: Simplify right side
    109,528.20x = 16,252,317,791.46
  5. Step 5: Solve for x
    x = 16,252,317,791.46/109,528.20
  6. Step 6: Final answer
    x = 148,384.78

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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.