Home / 102,073.05-153,099.67-30,996.30

Finding the Fourth Proportional to 102,073.05, 153,099.67 and 30,996.30

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Solution

The fourth proportional to 102,073.05, 153,099.67 and 30,996.30 is: 46,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,073.05 : 153,099.67 = 30,996.30 : x
  2. Step 2: Convert to fraction form
    102,073.05/153,099.67 = 30,996.30/x
  3. Step 3: Cross multiply
    102,073.05x = 153,099.67 × 30,996.30
  4. Step 4: Simplify right side
    102,073.05x = 4,745,523,301.22
  5. Step 5: Solve for x
    x = 4,745,523,301.22/102,073.05
  6. Step 6: Final answer
    x = 46,491.44

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1.5x scale

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.