Home / 109,523.79-164,222.78-42,885.90

Finding the Fourth Proportional to 109,523.79, 164,222.78 and 42,885.90

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Solution

The fourth proportional to 109,523.79, 164,222.78 and 42,885.90 is: 64,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,523.79 : 164,222.78 = 42,885.90 : x
  2. Step 2: Convert to fraction form
    109,523.79/164,222.78 = 42,885.90/x
  3. Step 3: Cross multiply
    109,523.79x = 164,222.78 × 42,885.90
  4. Step 4: Simplify right side
    109,523.79x = 7,042,841,506.37
  5. Step 5: Solve for x
    x = 7,042,841,506.37/109,523.79
  6. Step 6: Final answer
    x = 64,304.22

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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.